Pith Number

pith:WCZFW3FL

pith:2018:WCZFW3FLCIT4NFVTXQQYKFKJCX

not attested not anchored not stored refs pending

Preliminary Studies on a Large Face Database

Benjamin Yip, Cuixian Chen, Garrett Bingham, Jonathan Fabish, Katherine Kempfert, Troy Kling, Yishi Wang

arxiv:1811.06446 v1 · 2018-11-15 · 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{WCZFW3FLCIT4NFVTXQQYKFKJCX}

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	2026-05-18T00:00:37.662617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b25b6cab1227c696b3bc2185154915eceb953ed75b583fd65af1ab87ab14bd

Aliases

arxiv: 1811.06446 · arxiv_version: 1811.06446v1 · doi: 10.48550/arxiv.1811.06446 · pith_short_12: WCZFW3FLCIT4 · pith_short_16: WCZFW3FLCIT4NFVT · pith_short_8: WCZFW3FL

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/WCZFW3FLCIT4NFVTXQQYKFKJCX \
  | 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: b0b25b6cab1227c696b3bc2185154915eceb953ed75b583fd65af1ab87ab14bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf7e726acd5cce2215142e9a444e89a69243f83bf9b179280dea82fc58c6112a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-15T16:07:49Z",
    "title_canon_sha256": "b13935e71a742ec67c1d82103db3c12ebca3b7c0a11bd8c3f0bcad7ad6d88274"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06446",
    "kind": "arxiv",
    "version": 1
  }
}