Pith Number

pith:2LCV7EMH

pith:2011:2LCV7EMHAX3U3DRG6ESCLYCG43

not attested not anchored not stored refs pending

Dynamic Tardos Traitor Tracing Schemes

Benne de Weger, Boris Skoric, Jeroen Doumen, Peter Roelse, Thijs Laarhoven

arxiv:1111.3597 v2 · 2011-11-15 · 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{2LCV7EMHAX3U3DRG6ESCLYCG43}

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	2026-05-18T03:20:58.935659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2c55f918705f74d8e26f12425e046e6fbc8e54e08799bf188e0ea4c4481b7c9

Aliases

arxiv: 1111.3597 · arxiv_version: 1111.3597v2 · doi: 10.48550/arxiv.1111.3597 · pith_short_12: 2LCV7EMHAX3U · pith_short_16: 2LCV7EMHAX3U3DRG · pith_short_8: 2LCV7EMH

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/2LCV7EMHAX3U3DRG6ESCLYCG43 \
  | 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: d2c55f918705f74d8e26f12425e046e6fbc8e54e08799bf188e0ea4c4481b7c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "303293564aee621c53de6f5c125462482cf47541e140a1d60eda40f311d1a0cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-11-15T17:55:33Z",
    "title_canon_sha256": "cd1fead6d3a1e6ba24430e151664320fbfcad7769b23a68ee40fe1de322ff10b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3597",
    "kind": "arxiv",
    "version": 2
  }
}