Pith Number

pith:4L73QORZ

pith:2025:4L73QORZSAC6XG5H7Z73FDOVBI

not attested not anchored not stored refs pending

Relative Age Estimation Using Face Images

Ran Sandhaus, Yosi Keller

arxiv:2502.04852 v1 · 2025-02-07 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4L73QORZSAC6XG5H7Z73FDOVBI}

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.

Cited by

1 paper in Pith

Few-Shot Personalized Age Estimation

Receipt and verification

First computed	2026-07-05T10:10:58.342565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2ffb83a399005eb9ba7fe7fb28dd50a33648650a85dadc36d2cc8ba92da1a14

Aliases

arxiv: 2502.04852 · arxiv_version: 2502.04852v1 · doi: 10.48550/arxiv.2502.04852 · pith_short_12: 4L73QORZSAC6 · pith_short_16: 4L73QORZSAC6XG5H · pith_short_8: 4L73QORZ

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/4L73QORZSAC6XG5H7Z73FDOVBI \
  | 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: e2ffb83a399005eb9ba7fe7fb28dd50a33648650a85dadc36d2cc8ba92da1a14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e5c1a286484bba33257eaa0f85122b31411734dcbd7a1c686193924de5a8f57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-07T11:42:01Z",
    "title_canon_sha256": "4eadf1355ac1a8c326a3a4eefd8a2fb882cc823c050d9c16edc7b78a79bd2964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04852",
    "kind": "arxiv",
    "version": 1
  }
}