Pith Number

pith:BTSDKUU6

pith:2012:BTSDKUU6HZDFJNE5LSTDK6RD42

not attested not anchored not stored refs pending

Dynamic Traitor Tracing for Arbitrary Alphabets: Divide and Conquer

Jan-Jaap Oosterwijk, Jeroen Doumen, Thijs Laarhoven

arxiv:1206.6720 v2 · 2012-06-28 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTSDKUU6HZDFJNE5LSTDK6RD42}

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	2026-05-18T03:35:38.446410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ce435529e3e4654b49d5ca6357a23e683414ed7175cba2edfdb1a222fd2270d

Aliases

arxiv: 1206.6720 · arxiv_version: 1206.6720v2 · doi: 10.48550/arxiv.1206.6720 · pith_short_12: BTSDKUU6HZDF · pith_short_16: BTSDKUU6HZDFJNE5 · pith_short_8: BTSDKUU6

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/BTSDKUU6HZDFJNE5LSTDK6RD42 \
  | 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: 0ce435529e3e4654b49d5ca6357a23e683414ed7175cba2edfdb1a222fd2270d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bba7c7477690dd2d1b241bbaca05e022567cf7203e423605e5f9d3f9486f3e9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-06-28T15:06:54Z",
    "title_canon_sha256": "0a054896c0aa16f26c2e247a19d5a6f8505ba5c6a8b8d898001fdb736645b90b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6720",
    "kind": "arxiv",
    "version": 2
  }
}