Pith Number

pith:TWQ3QJ2A

pith:2015:TWQ3QJ2AEIMDSR6LUOUMFWS4W2

not attested not anchored not stored refs pending

A Comprehensive Survey on Pose-Invariant Face Recognition

Changxing Ding, Dacheng Tao

arxiv:1502.04383 v3 · 2015-02-15 · 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{TWQ3QJ2AEIMDSR6LUOUMFWS4W2}

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	2026-05-18T01:11:00.236670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9da1b8274022183947cba3a8c2da5cb6b18d36c150f5a1886eae705892453dda

Aliases

arxiv: 1502.04383 · arxiv_version: 1502.04383v3 · doi: 10.48550/arxiv.1502.04383 · pith_short_12: TWQ3QJ2AEIMD · pith_short_16: TWQ3QJ2AEIMDSR6L · pith_short_8: TWQ3QJ2A

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/TWQ3QJ2AEIMDSR6LUOUMFWS4W2 \
  | 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: 9da1b8274022183947cba3a8c2da5cb6b18d36c150f5a1886eae705892453dda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "365f922de38dc2f8349f0cc1ad8adb797d880e8e9b16b3b16a0f540867e9b800",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-02-15T23:25:32Z",
    "title_canon_sha256": "266f4582e9603257ba2c8cec7bf0ae8f6ace502604bdaf46b699ff1ea8345b60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04383",
    "kind": "arxiv",
    "version": 3
  }
}