Pith Number

pith:3KBTAFTF

pith:2013:3KBTAFTFVU73KRK3H35E4THWXQ

not attested not anchored not stored refs pending

Dynamic Model of Facial Expression Recognition based on Eigen-face Approach

Aurobinda Routray, Nikunj Bajaj, S L Happy

arxiv:1311.6007 v1 · 2013-11-23 · 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{3KBTAFTFVU73KRK3H35E4THWXQ}

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	2026-05-18T03:05:35.255083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da83301665ad3fb5455b3efa4e4cf6bc33489e94257eb423d5ad24872b71848c

Aliases

arxiv: 1311.6007 · arxiv_version: 1311.6007v1 · doi: 10.48550/arxiv.1311.6007 · pith_short_12: 3KBTAFTFVU73 · pith_short_16: 3KBTAFTFVU73KRK3 · pith_short_8: 3KBTAFTF

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/3KBTAFTFVU73KRK3H35E4THWXQ \
  | 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: da83301665ad3fb5455b3efa4e4cf6bc33489e94257eb423d5ad24872b71848c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb36669498d7e5fa7253301132ac74b1bdcee6fba5838702a4f3d389b6ad265c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-11-23T15:40:37Z",
    "title_canon_sha256": "f4519864641a8856df60e35a3cfb3328b1e5665b8bd7cb9aa2c0f5c640dd45dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6007",
    "kind": "arxiv",
    "version": 1
  }
}