Pith Number

pith:Y7ETMHUQ

pith:2011:Y7ETMHUQXHSA6RXDE2UM3TTQZL

not attested not anchored not stored refs pending

A new zero-knowledge code based identification scheme with reduced communication

Carlos Aguilar, Julien Schrek, Philippe Gaborit

arxiv:1111.1644 v1 · 2011-11-07 · 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{Y7ETMHUQXHSA6RXDE2UM3TTQZL}

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	2026-05-18T04:09:25.624358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7c9361e90b9e40f46e326a8cdce70cac76296d604dc043f69b9123d4ec79b40

Aliases

arxiv: 1111.1644 · arxiv_version: 1111.1644v1 · doi: 10.48550/arxiv.1111.1644 · pith_short_12: Y7ETMHUQXHSA · pith_short_16: Y7ETMHUQXHSA6RXD · pith_short_8: Y7ETMHUQ

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/Y7ETMHUQXHSA6RXDE2UM3TTQZL \
  | 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: c7c9361e90b9e40f46e326a8cdce70cac76296d604dc043f69b9123d4ec79b40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14b260a735cffe05bb14bc182ddbebb28c1c2c89726292cf8b407eaddf8844e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-11-07T17:02:04Z",
    "title_canon_sha256": "eca9d19b12cdb07b46054113a95f18b9f72ef5b611d9de39d7187c05d31a8bad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1644",
    "kind": "arxiv",
    "version": 1
  }
}