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Independent assessment generated by Artifact Verify

ID: 90f81427-9d63-44af-bcfd-49790993c188

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High confidence authentic

Independent assessment

Calibrated confidence92%

ModernIndeterminatePossiblyLikelyHigh

Positioned on our calibrated confidence scale (bounded to reduce edge noise).

This artifact exhibits characteristics highly consistent with prehistoric manufacture based on lithic features visible in the submitted images.

This AI assessment is provided by ArtifactVerify LLC and does not constitute a professional authentication opinion.

Key Facts

Report created 3/24/2026, 4:06:19 AM

Primary Typology

Newton Falls (side-notched point) — Middle Archaic, 7,000-5,000 B.P.

+ 4 more candidates below

Material

Flint or chert, likely Upper Mercer or Flint Ridge (Ohio sources)

Model confidence: 78%

1 images

Consistent patination across entire surface with cream to light tan weathered cortex
Appropriate random flaking pattern consistent with aboriginal percussion and pressure techniques
Natural mineral inclusions and color variations within the material
Edge wear patterns showing subtle rounding consistent with age and creek transport
Flake scar ridges show softened edges from weathering
Basal thinning present with appropriate shallow flakes into hafting area
U-shaped parallel side notches placed low on blade consistent with Newton Falls morphology
Expanded stem with straight base matching type description
Creek-find provenance in Ohio aligns with Newton Falls distribution in Ohio River valley

Context

Material appears relatively fresh in overall appearance though this may be due to water-tumbling in creek environment

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https://artifactverify.com/report/90f81427-9d63-44af-bcfd-49790993c188

Size (length · width)

6.5-7.5 cm length, 3.0-3.5 cm width

Report date / time

3/24/2026, 4:06:19 AM

Hash fingerprint

Typology Assessment

Ranked by likelihood

1Newton Falls (side-notched point) — Middle Archaic, 7,000-5,000 B.P.
2Cache River Side Notch (side-notched point) — Early to Middle Archaic, 8,500-6,000 B.P.
3Howard County Side Notch (side-notched point) — Middle Archaic, 7,500-6,500 B.P.
4Godar Side Notch (side-notched point) — Middle to Late Archaic, 4,500-3,500 B.P.
5Hemphill Side Notch (side-notched point) — Middle to Late Archaic, 4,500-3,000 B.P.

Primary

Some edges appear slightly sharper than typical deeply patinated specimens