Pith Number

pith:DVJMA3SD

pith:2010:DVJMA3SDITM6U2W7O6EHOIPCYG

not attested not anchored not stored refs pending

Proceedings Twelfth Annual Workshop on Descriptional Complexity of Formal Systems

Giovanni Pighizzini, Ian McQuillan

arxiv:1008.1270 v1 · 2010-08-06 · cs.FL · cs.CC · cs.DM · cs.IT · cs.LO · 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{DVJMA3SDITM6U2W7O6EHOIPCYG}

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	2026-05-18T04:42:33.431853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d52c06e4344d9ea6adf77887721e2c18f97eb52f6074f72831f78ab3c7355ab

Aliases

arxiv: 1008.1270 · arxiv_version: 1008.1270v1 · doi: 10.48550/arxiv.1008.1270 · pith_short_12: DVJMA3SDITM6 · pith_short_16: DVJMA3SDITM6U2W7 · pith_short_8: DVJMA3SD

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/DVJMA3SDITM6U2W7O6EHOIPCYG \
  | 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: 1d52c06e4344d9ea6adf77887721e2c18f97eb52f6074f72831f78ab3c7355ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd886778cf1af1c348a1e076969c36c401dcf35e4c809aa0b6d23b0d6219706e",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "cs.IT",
      "cs.LO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2010-08-06T20:04:06Z",
    "title_canon_sha256": "208b9e64cdc51c18e83540bc685386b15f693f85fb80b6f0cf22bfe9eceb31b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1270",
    "kind": "arxiv",
    "version": 1
  }
}