Pith Number

pith:ECG5ICW3

pith:2011:ECG5ICW35DJJUVLB3CECXIBJCN

not attested not anchored not stored refs pending

Almost-perfect secret sharing

Tarik Kaced

arxiv:1103.2544 v3 · 2011-03-13 · cs.IT · cs.CR · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECG5ICW35DJJUVLB3CECXIBJCN}

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	2026-05-18T04:08:12.528014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208dd40adbe8d29a5561d8882ba029135f4ceeb14ffe3387dd847c6c6338ba11

Aliases

arxiv: 1103.2544 · arxiv_version: 1103.2544v3 · doi: 10.48550/arxiv.1103.2544 · pith_short_12: ECG5ICW35DJJ · pith_short_16: ECG5ICW35DJJUVLB · pith_short_8: ECG5ICW3

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/ECG5ICW35DJJUVLB3CECXIBJCN \
  | 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: 208dd40adbe8d29a5561d8882ba029135f4ceeb14ffe3387dd847c6c6338ba11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb44a87150e3b4b7a6d9080ecf087b1b82a6a4ded0ef78df9e73b99fb1a2673c",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-03-13T19:07:37Z",
    "title_canon_sha256": "ccb59b84ba7deaf10a4e9ca585452cf9552c2c09f695946f537c655462e9b99e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2544",
    "kind": "arxiv",
    "version": 3
  }
}