Pith Number

pith:3Z4NYONE

pith:2008:3Z4NYONEH2JPCXMB7IEFTAPGFW

not attested not anchored not stored refs pending

A necessary condition for dynamic equivalence

Jean-Baptiste Pomet (INRIA Sophia Antipolis)

arxiv:0805.0721 v2 · 2008-05-06 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3Z4NYONEH2JPCXMB7IEFTAPGFW}

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	2026-05-18T04:06:33.524879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de78dc39a43e92f15d81fa085981e62da7a27819f1a94b061445724625b04569

Aliases

arxiv: 0805.0721 · arxiv_version: 0805.0721v2 · doi: 10.48550/arxiv.0805.0721 · pith_short_12: 3Z4NYONEH2JP · pith_short_16: 3Z4NYONEH2JPCXMB · pith_short_8: 3Z4NYONE

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/3Z4NYONEH2JPCXMB7IEFTAPGFW \
  | 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: de78dc39a43e92f15d81fa085981e62da7a27819f1a94b061445724625b04569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac998fd741216280e00de2cafa3b1012f752201a1cd79749bc6fe5bda41755e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2008-05-06T13:30:47Z",
    "title_canon_sha256": "afd54d70a3ed730eaca7188418a847b00954a0ace2834a53a51ac69006bdb89d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.0721",
    "kind": "arxiv",
    "version": 2
  }
}