Pith Number

pith:QDDDISFG

pith:2018:QDDDISFGCILUYDA327BPUMNG3I

not attested not anchored not stored refs pending

From Benedict Cumberbatch to Sherlock Holmes: Character Identification in TV series without a Script

Andrew Zisserman, Arsha Nagrani

arxiv:1801.10442 v1 · 2018-01-31 · 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{QDDDISFGCILUYDA327BPUMNG3I}

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	2026-05-18T00:24:40.806910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80c63448a612174c0c1bd7c2fa31a6da11729ca16d4cc3994ce5e3eeb0a6a6cd

Aliases

arxiv: 1801.10442 · arxiv_version: 1801.10442v1 · doi: 10.48550/arxiv.1801.10442 · pith_short_12: QDDDISFGCILU · pith_short_16: QDDDISFGCILUYDA3 · pith_short_8: QDDDISFG

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/QDDDISFGCILUYDA327BPUMNG3I \
  | 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: 80c63448a612174c0c1bd7c2fa31a6da11729ca16d4cc3994ce5e3eeb0a6a6cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32dfefe3a7f97fc8b124ee2d0bfa1a34671765dcf2f85ce9fea901c80516b7aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-31T13:25:29Z",
    "title_canon_sha256": "e5c04cef53c8af8f13df859234d1c15f10b19ef8cbf635c60a7d32fdb4e208ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10442",
    "kind": "arxiv",
    "version": 1
  }
}