Pith Number

pith:IVOWOYBZ

pith:2011:IVOWOYBZQ32QQHDI4G6WA4GF2D

not attested not anchored not stored refs pending

Improved Grammar-Based Compressed Indexes

Francisco Claude, Gonzalo Navarro

arxiv:1110.4493 v1 · 2011-10-20 · 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{IVOWOYBZQ32QQHDI4G6WA4GF2D}

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	2026-05-18T04:10:36.617795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

455d67603986f5081c68e1bd6070c5d0d5ad2e4fdf0a50ba3c63b77281401556

Aliases

arxiv: 1110.4493 · arxiv_version: 1110.4493v1 · doi: 10.48550/arxiv.1110.4493 · pith_short_12: IVOWOYBZQ32Q · pith_short_16: IVOWOYBZQ32QQHDI · pith_short_8: IVOWOYBZ

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/IVOWOYBZQ32QQHDI4G6WA4GF2D \
  | 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: 455d67603986f5081c68e1bd6070c5d0d5ad2e4fdf0a50ba3c63b77281401556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bb126636c513de4af69c66554cbd9dc2bec1ee4d905c3d05e6181548df337cd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-10-20T11:03:07Z",
    "title_canon_sha256": "93b43fe1fe5487387b75c9e7d74e986825f01961dd61676235cba80410e6ea61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4493",
    "kind": "arxiv",
    "version": 1
  }
}