Pith Number

pith:55LRRMEZ

pith:2026:55LRRMEZQWQUMR52YRYO6VO4BQ

not attested not anchored not stored refs pending

FAS-R1: A Unified Multi-Task MLLM for Reasoning Face Anti-Spoofing

Hongrui Li, Hongyang Wang, Jun Feng, Yichen Shi, Yiru Huo, Zitong Yu

arxiv:2607.26432 v1 · 2026-07-29 · cs.CV · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55LRRMEZQWQUMR52YRYO6VO4BQ}

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	2026-07-30T01:18:24.616977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

ef5718b09985a14647bac470ef55dc0c3bd2730abbbe771c788e497b5bffa81c

Aliases

arxiv: 2607.26432 · arxiv_version: 2607.26432v1 · doi: 10.48550/arxiv.2607.26432 · pith_short_12: 55LRRMEZQWQU · pith_short_16: 55LRRMEZQWQUMR52 · pith_short_8: 55LRRMEZ

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/55LRRMEZQWQUMR52YRYO6VO4BQ \
  | 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: ef5718b09985a14647bac470ef55dc0c3bd2730abbbe771c788e497b5bffa81c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fb2ff6fe42b4040fdd3be3a81e1cbc6389dcf39e854215669fe5d24b6352534",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-29T03:19:12Z",
    "title_canon_sha256": "90fd344e9631241519358a462802b0e8ac75a03513466f55087d3033021192c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26432",
    "kind": "arxiv",
    "version": 1
  }
}