Pith Number

pith:2CMQYFG5

pith:2018:2CMQYFG524WIKMHU45SPNP36DA

not attested not anchored not stored refs pending

Look at Boundary: A Boundary-Aware Face Alignment Algorithm

Chen Qian, Qiang Zhou, Quan Wang, Shuo Yang, Wayne Wu, Yici Cai

arxiv:1805.10483 v1 · 2018-05-26 · 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{2CMQYFG524WIKMHU45SPNP36DA}

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	2026-05-18T00:14:52.395277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0990c14ddd72c8530f4e764f6bf7e1804444294cb25bf43db9ac99f023f2f83

Aliases

arxiv: 1805.10483 · arxiv_version: 1805.10483v1 · doi: 10.48550/arxiv.1805.10483 · pith_short_12: 2CMQYFG524WI · pith_short_16: 2CMQYFG524WIKMHU · pith_short_8: 2CMQYFG5

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/2CMQYFG524WIKMHU45SPNP36DA \
  | 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: d0990c14ddd72c8530f4e764f6bf7e1804444294cb25bf43db9ac99f023f2f83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "828e4e10a78e3f25bd3faade6968f674334c9e56ec6bbc60ab0dfa7664e63f42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-26T13:19:02Z",
    "title_canon_sha256": "d15edd46569e35e651789343dd9a4dba5bcb0ad42b1149e19372fefe3abe13fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10483",
    "kind": "arxiv",
    "version": 1
  }
}