Pith Number

pith:O5PU7O7Y

pith:2012:O5PU7O7YLKK744H4FTM5X22GMN

not attested not anchored not stored refs pending

Performance Guarantees for Distributed Reachability Queries

Wenfei Fan, Xin Wang, Yinghui Wu

arxiv:1208.0091 v1 · 2012-08-01 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5PU7O7YLKK744H4FTM5X22GMN}

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	2026-05-18T03:49:36.305363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

775f4fbbf85a95fe70fc2cd9dbeb46637b7691c9f2c2afac19293fa2067436e3

Aliases

arxiv: 1208.0091 · arxiv_version: 1208.0091v1 · doi: 10.48550/arxiv.1208.0091 · pith_short_12: O5PU7O7YLKK7 · pith_short_16: O5PU7O7YLKK744H4 · pith_short_8: O5PU7O7Y

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/O5PU7O7YLKK744H4FTM5X22GMN \
  | 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: 775f4fbbf85a95fe70fc2cd9dbeb46637b7691c9f2c2afac19293fa2067436e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "234aad5b81aa5f265fa89707579c2f6384d37c950c6acdf630fc0d93d2c394d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-08-01T03:56:31Z",
    "title_canon_sha256": "e4ab98da1fca4ed07b1b9b94eccec0171b618ebe0aeb78eff79db7ab51e0432b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0091",
    "kind": "arxiv",
    "version": 1
  }
}