Pith Number

pith:2T7FJKBC

pith:2025:2T7FJKBCMEKBTYVXYYSIIOF3HO

not attested not anchored not stored refs pending

A Simple and Robust Protocol for Distributed Counting

Edith Cohen, Moshe Shechner, Uri Stemmer

arxiv:2509.05870 v1 · 2025-09-06 · cs.DC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2T7FJKBCMEKBTYVXYYSIIOF3HO}

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	2026-07-05T12:06:25.533688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4fe54a822611419e2b7c6248438bb3b80e0dba1f38b9a10d715ac0de13ae5b5

Aliases

arxiv: 2509.05870 · arxiv_version: 2509.05870v1 · doi: 10.48550/arxiv.2509.05870 · pith_short_12: 2T7FJKBCMEKB · pith_short_16: 2T7FJKBCMEKBTYVX · pith_short_8: 2T7FJKBC

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/2T7FJKBCMEKBTYVXYYSIIOF3HO \
  | 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: d4fe54a822611419e2b7c6248438bb3b80e0dba1f38b9a10d715ac0de13ae5b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d7e2ce19e1a1f93d17cf545871df0048dea6d9f66981187f63a4474dc6e2ae2",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-09-06T23:57:57Z",
    "title_canon_sha256": "c89683724cff05e86c82044a62178d78fd8ca3b27b57b8f0e4ac99093624a913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05870",
    "kind": "arxiv",
    "version": 1
  }
}