Pith Number

pith:CL3WZDJY

pith:2018:CL3WZDJYFQLWRX3CTDGY7DUGCL

not attested not anchored not stored refs pending

Exploring Hypergraph Representation on Face Anti-spoofing Beyond 2D Attacks

Dong Chen, Gusi Te, Ju He, Wei Hu, Zongming Guo

arxiv:1811.11594 v2 · 2018-11-28 · 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{CL3WZDJYFQLWRX3CTDGY7DUGCL}

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	2026-05-17T23:58:22.664509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12f76c8d382c1768df6298cd8f8e8612fff1a1e650c0b271d7612219ded8f9fb

Aliases

arxiv: 1811.11594 · arxiv_version: 1811.11594v2 · doi: 10.48550/arxiv.1811.11594 · pith_short_12: CL3WZDJYFQLW · pith_short_16: CL3WZDJYFQLWRX3C · pith_short_8: CL3WZDJY

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/CL3WZDJYFQLWRX3CTDGY7DUGCL \
  | 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: 12f76c8d382c1768df6298cd8f8e8612fff1a1e650c0b271d7612219ded8f9fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26f1a2d13ec90744ab17d5a4f3a5e51b2df6013831a6750e25dd44de6976ae44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-28T14:36:55Z",
    "title_canon_sha256": "b99ba3a4ab0f67cdf6db29cfba02b110ecea2454c6594d39441dee946a97ffba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11594",
    "kind": "arxiv",
    "version": 2
  }
}