Pith Number

pith:25LR6CWS

pith:2011:25LR6CWS56LI3QU5J4IBKJZRMP

not attested not anchored not stored refs pending

Incremental Cycle Detection, Topological Ordering, and Strong Component Maintenance

Bernhard Haeupler, Robert Endre Tarjan, Rogers Mathew, Siddhartha Sen, Telikepalli Kavitha

arxiv:1105.2397 v1 · 2011-05-12 · 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{25LR6CWS56LI3QU5J4IBKJZRMP}

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	2026-05-18T04:22:10.635285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7571f0ad2ef968dc29d4f1015273163f16ec7117a9598b592358a7cb984fbdc

Aliases

arxiv: 1105.2397 · arxiv_version: 1105.2397v1 · doi: 10.48550/arxiv.1105.2397 · pith_short_12: 25LR6CWS56LI · pith_short_16: 25LR6CWS56LI3QU5 · pith_short_8: 25LR6CWS

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/25LR6CWS56LI3QU5J4IBKJZRMP \
  | 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: d7571f0ad2ef968dc29d4f1015273163f16ec7117a9598b592358a7cb984fbdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ef9994895dcfe1afdf76ee7cf6df227b79db3535db02bc90ffc2b9fe15060d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-05-12T07:57:28Z",
    "title_canon_sha256": "b410d338afbb1cd854537ed000096762e87fe290116f0243db0cf3c8552d406b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2397",
    "kind": "arxiv",
    "version": 1
  }
}