Pith Number

pith:HJUBSDIV

pith:2011:HJUBSDIVTNJW43RXMOP27U5TIR

not attested not anchored not stored refs pending

Public Key Protocol Based on Amalgamated Free Product

Ramji Lal, Shiv Datt Kumar, Sumit Kumar Upadhyay

arxiv:1105.1086 v1 · 2011-04-16 · 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{HJUBSDIVTNJW43RXMOP27U5TIR}

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	2026-05-18T02:22:00.584972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a68190d159b536e6e37639fafd3b34462b325a2aa057ca4e665235e34a46f18

Aliases

arxiv: 1105.1086 · arxiv_version: 1105.1086v1 · doi: 10.48550/arxiv.1105.1086 · pith_short_12: HJUBSDIVTNJW · pith_short_16: HJUBSDIVTNJW43RX · pith_short_8: HJUBSDIV

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/HJUBSDIVTNJW43RXMOP27U5TIR \
  | 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: 3a68190d159b536e6e37639fafd3b34462b325a2aa057ca4e665235e34a46f18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77a139977c744dc67f311a1b3b86a04451817d04eaac6cbc044261f942698ea8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-04-16T14:29:27Z",
    "title_canon_sha256": "41e463dee761b024757a6fa4f030d08f3aa7078e6dfd2573e2f123b402ac2def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1086",
    "kind": "arxiv",
    "version": 1
  }
}