Pith Number

pith:WU6KV7R6

pith:2019:WU6KV7R6UAH2R45PCQSCE54IMM

not attested not anchored not stored refs pending

Sign-Rank Can Increase Under Intersection

Justin Thaler, Mark Bun, Nikhil S. Mande

arxiv:1903.00544 v1 · 2019-03-01 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WU6KV7R6UAH2R45PCQSCE54IMM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:52:14.195608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53caafe3ea00fa8f3af14242277886328acce5a07e3c80df9def652524d6441

Aliases

arxiv: 1903.00544 · arxiv_version: 1903.00544v1 · doi: 10.48550/arxiv.1903.00544 · pith_short_12: WU6KV7R6UAH2 · pith_short_16: WU6KV7R6UAH2R45P · pith_short_8: WU6KV7R6

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/WU6KV7R6UAH2R45PCQSCE54IMM \
  | 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: b53caafe3ea00fa8f3af14242277886328acce5a07e3c80df9def652524d6441

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17566b3cb58ed64c3ca2c2a2ce75307727b93600758d446dcf598b817409fd5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-03-01T21:29:13Z",
    "title_canon_sha256": "1d7151a5f3887fbc93331fbb5e7ddc32f87a8ab0b17a8afd61315b5b9d8f4bb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00544",
    "kind": "arxiv",
    "version": 1
  }
}