Pith Number

pith:MMWLVQF6

pith:2012:MMWLVQF62M6SY2C7YEAXFV65CM

not attested not anchored not stored refs pending

Codes Satisfying the Chain Condition with a Poset Weights

Luciano Panek, Marcelo Firer

arxiv:1203.1212 v1 · 2012-03-06 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMWLVQF62M6SY2C7YEAXFV65CM}

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	2026-05-18T04:00:40.107517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

632cbac0bed33d2c685fc10172d7dd13398f899b194f5aff783c960d902c124e

Aliases

arxiv: 1203.1212 · arxiv_version: 1203.1212v1 · doi: 10.48550/arxiv.1203.1212 · pith_short_12: MMWLVQF62M6S · pith_short_16: MMWLVQF62M6SY2C7 · pith_short_8: MMWLVQF6

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/MMWLVQF62M6SY2C7YEAXFV65CM \
  | 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: 632cbac0bed33d2c685fc10172d7dd13398f899b194f5aff783c960d902c124e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "429e97f13ffed380ecb82c47197b278fd731c0f1ebbdd8be78c598cf5800b39b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-06T14:43:55Z",
    "title_canon_sha256": "265e23ead7d0d374ce5d3bd9a303c1c02cc44be0792910c656bdaad03ac5ea89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1212",
    "kind": "arxiv",
    "version": 1
  }
}