Pith Number

pith:ZI4VSW4W

pith:2007:ZI4VSW4WYME4N3GDJMY63SWD6V

not attested not anchored not stored refs pending

Geography of local configurations

David Coupier

arxiv:0707.2889 v2 · 2007-07-19 · math.PR · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZI4VSW4WYME4N3GDJMY63SWD6V}

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	2026-05-18T04:39:29.013254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca39595b96c309c6ecc34b31edcac3f54e623f69feff06b366c857f6a09036a7

Aliases

arxiv: 0707.2889 · arxiv_version: 0707.2889v2 · doi: 10.48550/arxiv.0707.2889 · pith_short_12: ZI4VSW4WYME4 · pith_short_16: ZI4VSW4WYME4N3GD · pith_short_8: ZI4VSW4W

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/ZI4VSW4WYME4N3GDJMY63SWD6V \
  | 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: ca39595b96c309c6ecc34b31edcac3f54e623f69feff06b366c857f6a09036a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4646c964508fcf41eb335b28dfea681586a2fee5dc8f69b8e70c09e4adc93636",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2007-07-19T12:43:19Z",
    "title_canon_sha256": "bbde68681adea1f607abeb9c3f2d8deddb1dd461688a11013c0e5ac8dfc7ea0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.2889",
    "kind": "arxiv",
    "version": 2
  }
}