Pith Number

pith:ZP7SVCVA

pith:2011:ZP7SVCVA7PSSR3NCKBDTODRZUW

not attested not anchored not stored refs pending

Solving the At-Most-Once Problem with Nearly Optimal Effectiveness

Aggelos Kiayias, Sotirios Kentros

arxiv:1107.2990 v2 · 2011-07-15 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZP7SVCVA7PSSR3NCKBDTODRZUW}

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	2026-05-18T03:05:45.056997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbff2a8aa0fbe528eda25047370e39a5bde22df9212d7f2f1ad2eaa7895a2cac

Aliases

arxiv: 1107.2990 · arxiv_version: 1107.2990v2 · doi: 10.48550/arxiv.1107.2990 · pith_short_12: ZP7SVCVA7PSS · pith_short_16: ZP7SVCVA7PSSR3NC · pith_short_8: ZP7SVCVA

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/ZP7SVCVA7PSSR3NCKBDTODRZUW \
  | 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: cbff2a8aa0fbe528eda25047370e39a5bde22df9212d7f2f1ad2eaa7895a2cac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aec8ad306c2a7c62107637563a4eac1c05e05aa0ddd54498cb7ca92e9f0fd654",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-07-15T04:24:38Z",
    "title_canon_sha256": "01950a763b0051959e1b142b4786403c730d91d2a2f5a83dca8a36153ed6888c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2990",
    "kind": "arxiv",
    "version": 2
  }
}