Pith Number

pith:6DFIYKOO

pith:2005:6DFIYKOOHLL3VEWSRUKCXSHHBA

not attested not anchored not stored refs pending

A note on the Burrows-Wheeler transformation

Dominique Perrin (IGM), Jacques D\'esarm\'enien (IGM), Maxime Crochemore (IGM)

arxiv:cs/0502073 v1 · 2005-02-17 · 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{6DFIYKOOHLL3VEWSRUKCXSHHBA}

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	2026-05-18T01:08:55.130798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0ca8c29ce3ad7ba92d28d142bc8e7081ff40343f329a53e841a9e609b0e26b6

Aliases

arxiv: cs/0502073 · arxiv_version: cs/0502073v1 · doi: 10.48550/arxiv.cs/0502073 · pith_short_12: 6DFIYKOOHLL3 · pith_short_16: 6DFIYKOOHLL3VEWS · pith_short_8: 6DFIYKOO

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/6DFIYKOOHLL3VEWSRUKCXSHHBA \
  | 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: f0ca8c29ce3ad7ba92d28d142bc8e7081ff40343f329a53e841a9e609b0e26b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "260bb92e0064d21e641eff367f65f9b9e9fd0029b3c5598fd0b3b462a8a7e0a4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2005-02-17T07:06:28Z",
    "title_canon_sha256": "3d36753c91e01e31ee15ac5319d05edc8d041f53daac31ee0d252c1f59f922ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0502073",
    "kind": "arxiv",
    "version": 1
  }
}