Pith Number

pith:73PSIUTM

pith:2008:73PSIUTMGFINIRQ7YRTZULLORK

not attested not anchored not stored refs pending

Generating Forms for Exact Volume-Preserving Maps

H.E. Lomel\'i, J.D. Meiss

arxiv:0803.4350 v1 · 2008-03-30 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73PSIUTMGFINIRQ7YRTZULLORK}

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	2026-05-18T04:14:15.365996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fedf24526c3150d4461fc4679a2d6e8ab73b30e617d6cd7f02d17b945be073ca

Aliases

arxiv: 0803.4350 · arxiv_version: 0803.4350v1 · doi: 10.48550/arxiv.0803.4350 · pith_short_12: 73PSIUTMGFIN · pith_short_16: 73PSIUTMGFINIRQ7 · pith_short_8: 73PSIUTM

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/73PSIUTMGFINIRQ7YRTZULLORK \
  | 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: fedf24526c3150d4461fc4679a2d6e8ab73b30e617d6cd7f02d17b945be073ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43ec6477636742e3f6ee164f6025c420b629ff6a86f8d4979e1767eedb417d55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2008-03-30T21:35:27Z",
    "title_canon_sha256": "7d9be8c19c170ac8db47314399201e3c9e54dc305a4c8dc186a52872d5dba482"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.4350",
    "kind": "arxiv",
    "version": 1
  }
}