Pith Number

pith:K73B7MRE

pith:2009:K73B7MREIWSESRMCFZSF4WG6DB

not attested not anchored not stored refs pending

Cooperation with an Untrusted Relay: A Secrecy Perspective

Aylin Yener, Xiang He

arxiv:0910.1511 v1 · 2009-10-08 · cs.IT · 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{K73B7MREIWSESRMCFZSF4WG6DB}

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	2026-05-18T00:59:11.207430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57f61fb22445a44945822e645e58de18500e107252833752a3f0dca7e1a1be3e

Aliases

arxiv: 0910.1511 · arxiv_version: 0910.1511v1 · doi: 10.48550/arxiv.0910.1511 · pith_short_12: K73B7MREIWSE · pith_short_16: K73B7MREIWSESRMC · pith_short_8: K73B7MRE

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/K73B7MREIWSESRMCFZSF4WG6DB \
  | 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: 57f61fb22445a44945822e645e58de18500e107252833752a3f0dca7e1a1be3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8eedc1dc802a75ab6015f659dd5879e38b92be0de88c97361193adc8a244d70",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-10-08T13:59:55Z",
    "title_canon_sha256": "99b138ecb3d16ad45c8ad9ba32da39f40036dead6ce99c8078c95cb69df08831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1511",
    "kind": "arxiv",
    "version": 1
  }
}