Pith Number

pith:WJPWSV5N

pith:2007:WJPWSV5N4SV4CVYKWOGXHNVW5O

not attested not anchored not stored refs pending

Polyhedral representation conversion up to symmetries

Achill Schuermann, David Bremner, Mathieu Dutour Sikiric

arxiv:math/0702239 v2 · 2007-02-09 · math.MG · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJPWSV5N4SV4CVYKWOGXHNVW5O}

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	2026-05-18T04:10:37.432821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b25f6957ade4abc1570ab38d73b6b6eb89f634d651c32e811137a96b6cdd4f19

Aliases

arxiv: math/0702239 · arxiv_version: math/0702239v2 · doi: 10.48550/arxiv.math/0702239 · pith_short_12: WJPWSV5N4SV4 · pith_short_16: WJPWSV5N4SV4CVYK · pith_short_8: WJPWSV5N

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/WJPWSV5N4SV4CVYKWOGXHNVW5O \
  | 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: b25f6957ade4abc1570ab38d73b6b6eb89f634d651c32e811137a96b6cdd4f19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1e6f4288dc456333a2544c07dfeb1b6adaaacb529ea6bb4ead3e1b7875fb7e1",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "",
    "primary_cat": "math.MG",
    "submitted_at": "2007-02-09T01:33:42Z",
    "title_canon_sha256": "cb9e40ce4314666313ac340e8f4b6f520c0e406f1e32849453a8f9b63ee33e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702239",
    "kind": "arxiv",
    "version": 2
  }
}