Pith Number

pith:KH3RNCEI

pith:2015:KH3RNCEIYC2E72SIOUIKML7AD4

not attested not anchored not stored refs pending

A bloated FM-index reducing the number of cache misses during the search

Aleksander Cis{\l}ak, Szymon Grabowski

arxiv:1512.01996 v1 · 2015-12-07 · 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{KH3RNCEIYC2E72SIOUIKML7AD4}

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	2026-05-18T01:25:09.840169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51f7168888c0b44fea487510a62fe01f197417f8886361ab7363b5b5aa50056c

Aliases

arxiv: 1512.01996 · arxiv_version: 1512.01996v1 · doi: 10.48550/arxiv.1512.01996 · pith_short_12: KH3RNCEIYC2E · pith_short_16: KH3RNCEIYC2E72SI · pith_short_8: KH3RNCEI

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/KH3RNCEIYC2E72SIOUIKML7AD4 \
  | 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: 51f7168888c0b44fea487510a62fe01f197417f8886361ab7363b5b5aa50056c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd04e1d7c351eb7689e420abc219ff85af093379fa647d5da66a21c62856411a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-12-07T11:51:11Z",
    "title_canon_sha256": "a000ebce2e3f387b4c6093a6a2b4c31cb693eb0517f80f2a3cbb8646e4ad329a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01996",
    "kind": "arxiv",
    "version": 1
  }
}