Pith Number

pith:FOC2RTAH

pith:2015:FOC2RTAHTDEASZ7KYKPRT66PG6

not attested not anchored not stored refs pending

The Beauty of Capturing Faces: Rating the Quality of Digital Portraits

Alejandro Jaimes, Gaurav Aggarwal, Miriam Redi, Nikhil Rasiwasia

arxiv:1501.07304 v1 · 2015-01-28 · cs.CV · cs.CY · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOC2RTAHTDEASZ7KYKPRT66PG6}

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	2026-05-18T02:28:22.313564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b85a8cc0798c80967eac29f19fbcf3793aa10b07ff9ef614a18393a0814df72

Aliases

arxiv: 1501.07304 · arxiv_version: 1501.07304v1 · doi: 10.48550/arxiv.1501.07304 · pith_short_12: FOC2RTAHTDEA · pith_short_16: FOC2RTAHTDEASZ7K · pith_short_8: FOC2RTAH

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/FOC2RTAHTDEASZ7KYKPRT66PG6 \
  | 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: 2b85a8cc0798c80967eac29f19fbcf3793aa10b07ff9ef614a18393a0814df72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "817b6d0a5b6557b75e5fc1bddcb26e3574d6cce16e7162a642f7e2220a4e6f13",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-01-28T22:51:23Z",
    "title_canon_sha256": "bd2899bef2ec248adaca3ac59ff9f689f2598e1be94140ad01a19596c869242d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07304",
    "kind": "arxiv",
    "version": 1
  }
}