Pith Number

pith:72L45U2F

pith:2018:72L45U2FA72U5C6ZT3ECA7XKS6

not attested not anchored not stored refs pending

Fast entropy-bounded string dictionary look-up with mismatches

Gad M. Landau, Pawe{\l} Gawrychowski, Tatiana Starikovskaya

arxiv:1806.09646 v1 · 2018-06-25 · 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{72L45U2FA72U5C6ZT3ECA7XKS6}

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	2026-05-18T00:12:23.871764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe97ced34507f54e8bd99ec8207eea978b2a2cacc91341661b4ef4aac43fa608

Aliases

arxiv: 1806.09646 · arxiv_version: 1806.09646v1 · doi: 10.48550/arxiv.1806.09646 · pith_short_12: 72L45U2FA72U · pith_short_16: 72L45U2FA72U5C6Z · pith_short_8: 72L45U2F

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/72L45U2FA72U5C6ZT3ECA7XKS6 \
  | 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: fe97ced34507f54e8bd99ec8207eea978b2a2cacc91341661b4ef4aac43fa608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "161125d1018b6be5d5736bb7bacdceb8074cdc2cbc6569036662ae95acd6c9ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-25T18:02:05Z",
    "title_canon_sha256": "38850527539866403e4387abd84d984fa909307b023232c43e7b5884063c5834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09646",
    "kind": "arxiv",
    "version": 1
  }
}