Pith Number

pith:JW3D7NVZ

pith:2012:JW3D7NVZVC4WCXABEZBCTAYI62

not attested not anchored not stored refs pending

Ten times eighteen

Sebastian B\"ocker

arxiv:1209.1977 v1 · 2012-09-10 · cs.DM · cs.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{JW3D7NVZVC4WCXABEZBCTAYI62}

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	2026-05-18T03:45:53.966390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db63fb6b9a8b9615c012642298308f6a7b69eed3992f196fe540c38c7947e13

Aliases

arxiv: 1209.1977 · arxiv_version: 1209.1977v1 · doi: 10.48550/arxiv.1209.1977 · pith_short_12: JW3D7NVZVC4W · pith_short_16: JW3D7NVZVC4WCXAB · pith_short_8: JW3D7NVZ

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/JW3D7NVZVC4WCXABEZBCTAYI62 \
  | 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: 4db63fb6b9a8b9615c012642298308f6a7b69eed3992f196fe540c38c7947e13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f92af2ca0e48e21a449c18e98f13b5860b3e1fb2a81d3d58bd3f8999df369c5a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-09-10T13:13:56Z",
    "title_canon_sha256": "3fb19b2cd08e0ca2a03b055bb1109bc821b85889a480bd4dea8e564566ac5eb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1977",
    "kind": "arxiv",
    "version": 1
  }
}