Pith Number

pith:SPSLEPZV

pith:2013:SPSLEPZVZ6MCNX7DZRLI227UQH

not attested not anchored not stored refs pending

Succinct data structures for representing equivalence classes

J. Ian Munro, Moshe Lewenstein, Venkatesh Raman

arxiv:1306.4287 v1 · 2013-06-18 · 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{SPSLEPZVZ6MCNX7DZRLI227UQH}

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	2026-05-18T03:20:36.549533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e4b23f35cf9826dfe3cc568d6bf481e748d3a5cf75cdcb32387f341713c412

Aliases

arxiv: 1306.4287 · arxiv_version: 1306.4287v1 · doi: 10.48550/arxiv.1306.4287 · pith_short_12: SPSLEPZVZ6MC · pith_short_16: SPSLEPZVZ6MCNX7D · pith_short_8: SPSLEPZV

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/SPSLEPZVZ6MCNX7DZRLI227UQH \
  | 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: 93e4b23f35cf9826dfe3cc568d6bf481e748d3a5cf75cdcb32387f341713c412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade469a603ae84b5914651b8e3f27813b975b933e6aa2ac97aa1f36fd0701ae0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-06-18T18:31:27Z",
    "title_canon_sha256": "71e7821f2ef07a45f5b0d6a4b88d808dde4a1554a3be54e480cb0c80e569216a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4287",
    "kind": "arxiv",
    "version": 1
  }
}