Pith Number

pith:T3KOQWLK

pith:2020:T3KOQWLKUMWA6HTN7NESSOQUGP

not attested not anchored not stored refs pending

On Disentangling Spoof Trace for Generic Face Anti-Spoofing

Joel Stehouwer, Xiaoming Liu, Yaojie Liu

arxiv:2007.09273 v1 · 2020-07-17 · 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{T3KOQWLKUMWA6HTN7NESSOQUGP}

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	2026-07-05T01:20:22.510679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ed4e8596aa32c0f1e6dfb49293a1433d11628d529bf37d38a9a8bdcc4e77a90

Aliases

arxiv: 2007.09273 · arxiv_version: 2007.09273v1 · doi: 10.48550/arxiv.2007.09273 · pith_short_12: T3KOQWLKUMWA · pith_short_16: T3KOQWLKUMWA6HTN · pith_short_8: T3KOQWLK

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/T3KOQWLKUMWA6HTN7NESSOQUGP \
  | 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: 9ed4e8596aa32c0f1e6dfb49293a1433d11628d529bf37d38a9a8bdcc4e77a90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "391916c6c6930892ffb29a9a3e6b3e6f598532148de2fa04b73813d7f64db453",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-17T23:14:16Z",
    "title_canon_sha256": "01e4407dde55f6a5ab4b65a04159a44c2318c27ee7ef9749d672df512c6378d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.09273",
    "kind": "arxiv",
    "version": 1
  }
}