Pith Number

pith:6JGKWK7Y

pith:2025:6JGKWK7Y44WOA27X5UXTDPFGQ6

not attested not anchored not stored refs pending

ArtFace: Towards Historical Portrait Face Identification via Model Adaptation

Anjith George, Francois Poh, S\'ebastien Marcel

arxiv:2508.20626 v1 · 2025-08-28 · cs.CV · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6JGKWK7Y44WOA27X5UXTDPFGQ6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T12:00:56.430119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f24cab2bf8e72ce06bf7ed2f31bca6879db567483e21f5f5c783c548c453d908

Aliases

arxiv: 2508.20626 · arxiv_version: 2508.20626v1 · doi: 10.48550/arxiv.2508.20626 · pith_short_12: 6JGKWK7Y44WO · pith_short_16: 6JGKWK7Y44WOA27X · pith_short_8: 6JGKWK7Y

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6JGKWK7Y44WOA27X5UXTDPFGQ6 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f24cab2bf8e72ce06bf7ed2f31bca6879db567483e21f5f5c783c548c453d908

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fae669c6e843cd5253777a1d33eb2da15055257bc1a034c8d5b8bc4273e3a309",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-28T10:19:06Z",
    "title_canon_sha256": "a67ec3ec73107e9ce61246ed060b2073af6ac1b6f07d3bd7ad69627a5987c3d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20626",
    "kind": "arxiv",
    "version": 1
  }
}