Pith Number

pith:LPTUWN55

pith:2021:LPTUWN55H5QR4V6DJQMSTLG56C

not attested not anchored not stored refs pending

Two-stream Convolutional Networks for Multi-frame Face Anti-spoofing

Chang Song, Cheng Jiang, Xiya Zhong, Yifeng Zhang, Zhuoyi Zhang

arxiv:2108.04032 v1 · 2021-08-09 · 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{LPTUWN55H5QR4V6DJQMSTLG56C}

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	2026-07-05T03:04:12.288034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5be74b37bd3f611e57c34c1929acddf0be6e8bcddb8572d888bcb736a4501626

Aliases

arxiv: 2108.04032 · arxiv_version: 2108.04032v1 · doi: 10.48550/arxiv.2108.04032 · pith_short_12: LPTUWN55H5QR · pith_short_16: LPTUWN55H5QR4V6D · pith_short_8: LPTUWN55

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/LPTUWN55H5QR4V6DJQMSTLG56C \
  | 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: 5be74b37bd3f611e57c34c1929acddf0be6e8bcddb8572d888bcb736a4501626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b8c486a4a72e11c53cd49d3834af8b88090822cab2794cc1e89351cae55105f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-09T13:35:30Z",
    "title_canon_sha256": "dca8c8644029d299434738139ac94c59fe6618800ee069a6303ffe75b0ad93c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04032",
    "kind": "arxiv",
    "version": 1
  }
}