Pith Number

pith:DOSQV7GC

pith:2008:DOSQV7GCATM7DRKBI7BQ3VX6ZF

not attested not anchored not stored refs pending

The Universal Cardinal Ordering of Fixed Points

A. Gonzalez Gomez, Jesus San Martin, M. Jose Moscoso

arxiv:0803.0849 v1 · 2008-03-06 · 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{DOSQV7GCATM7DRKBI7BQ3VX6ZF}

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	2026-05-18T02:16:00.509429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba50afcc204d9f1c54147c30dd6fec97d066ebdeb455eea908fe3178bdcd89a

Aliases

arxiv: 0803.0849 · arxiv_version: 0803.0849v1 · doi: 10.48550/arxiv.0803.0849 · pith_short_12: DOSQV7GCATM7 · pith_short_16: DOSQV7GCATM7DRKB · pith_short_8: DOSQV7GC

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/DOSQV7GCATM7DRKBI7BQ3VX6ZF \
  | 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: 1ba50afcc204d9f1c54147c30dd6fec97d066ebdeb455eea908fe3178bdcd89a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "170c0d883a68d16bf83fac1dfc50b159da266f766fb8371ce43e1c3d2fca863d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2008-03-06T12:55:48Z",
    "title_canon_sha256": "f4c5811781eea693da152890ec080346a8e1ccab5ec22cfcaf5681559c1412ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0849",
    "kind": "arxiv",
    "version": 1
  }
}