Pith Number

pith:W5SKP4SV

pith:2012:W5SKP4SVVTE7FCENZXJVYTNBEM

not attested not anchored not stored refs pending

Bicentennial of the Great Poncelet Theorem (1813-2013): Current Advances

Milena Radnovic, Vladimir Dragovic

arxiv:1212.6867 v2 · 2012-12-31 · nlin.SI · math.AG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5SKP4SVVTE7FCENZXJVYTNBEM}

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	2026-05-18T03:30:02.138408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b764a7f255acc9f2888dcdd35c4da1233074008fa7c1b17b1e370c01c8097be9

Aliases

arxiv: 1212.6867 · arxiv_version: 1212.6867v2 · doi: 10.48550/arxiv.1212.6867 · pith_short_12: W5SKP4SVVTE7 · pith_short_16: W5SKP4SVVTE7FCEN · pith_short_8: W5SKP4SV

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/W5SKP4SVVTE7FCENZXJVYTNBEM \
  | 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: b764a7f255acc9f2888dcdd35c4da1233074008fa7c1b17b1e370c01c8097be9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f182ded33a3c3bf19ac2a3c03547f46a5a15261d6d7bc9de253b8b48d02c0769",
    "cross_cats_sorted": [
      "math.AG",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-12-31T11:49:29Z",
    "title_canon_sha256": "f79be321b5e1a8877ba0e809ecfc58337d165acf418c975bdc54d37579f37b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6867",
    "kind": "arxiv",
    "version": 2
  }
}