Pith Number

pith:T6E6FF4N

pith:2013:T6E6FF4N2JTXBZOUXQNZC6AL5R

not attested not anchored not stored refs pending

Feature Extraction of Human Lip Prints

Samir Kumar Bandyopadhyay, Saptarshi Bhattacharjee, S Arunkumar

arxiv:1312.0852 v1 · 2013-12-03 · 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{T6E6FF4N2JTXBZOUXQNZC6AL5R}

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	2026-05-18T03:05:27.623190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f89e2978dd26770e5d4bc1b91780bec635589494a03994825075886b25d0be6

Aliases

arxiv: 1312.0852 · arxiv_version: 1312.0852v1 · doi: 10.48550/arxiv.1312.0852 · pith_short_12: T6E6FF4N2JTX · pith_short_16: T6E6FF4N2JTXBZOU · pith_short_8: T6E6FF4N

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/T6E6FF4N2JTXBZOUXQNZC6AL5R \
  | 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: 9f89e2978dd26770e5d4bc1b91780bec635589494a03994825075886b25d0be6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "535c6067ac005d2c33ea01373ae7a3013a35f4fcd1cd42fead723fb2359c22ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-12-03T15:25:07Z",
    "title_canon_sha256": "3f13c498fef92461f479c6218e3eac8dac73d44c52375f7d2117baa76ac63356"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0852",
    "kind": "arxiv",
    "version": 1
  }
}