Pith Number

pith:NCBEKTKY

pith:2018:NCBEKTKYFHJYJJSQHL6XZC6HC6

not attested not anchored not stored refs pending

Refining the $r$-index

Hideo Bannai, Tomohiro I, Travis Gagie

arxiv:1802.05906 v6 · 2018-02-16 · 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{NCBEKTKYFHJYJJSQHL6XZC6HC6}

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	2026-05-17T23:41:31.305211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6882454d5829d384a6503afd7c8bc717882e504154c1dae76cd7b2256bb8c830

Aliases

arxiv: 1802.05906 · arxiv_version: 1802.05906v6 · doi: 10.48550/arxiv.1802.05906 · pith_short_12: NCBEKTKYFHJY · pith_short_16: NCBEKTKYFHJYJJSQ · pith_short_8: NCBEKTKY

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/NCBEKTKYFHJYJJSQHL6XZC6HC6 \
  | 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: 6882454d5829d384a6503afd7c8bc717882e504154c1dae76cd7b2256bb8c830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6092db645bc89b18679670ee89f9c0800fe57f515f98f004c46ed1c491afc1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-02-16T12:19:07Z",
    "title_canon_sha256": "c1010918c74824cffc1e9ff5239852c34ed0ba6ecc06186776e533b0ab9bc14d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05906",
    "kind": "arxiv",
    "version": 6
  }
}