Pith Number

pith:WLQWGTK6

pith:2025:WLQWGTK6VB7RLVZ4YTCMXJ5TWC

not attested not anchored not stored refs pending

Prefix-free parsing for merging big BWTs

Ben Langmead, Diego Diaz-Dominguez, Francesco Masillo, Giovanni Manzini, Travis Gagie, Veronica Guerrini, Vikram Shivakumar, Zsuzsanna Liptak

arxiv:2506.03294 v2 · 2025-06-03 · 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{WLQWGTK6VB7RLVZ4YTCMXJ5TWC}

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	2026-07-05T11:17:00.256965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2e1634d5ea87f15d73cc4c4cba7b3b09fd618309c7062059470d7cd1a0ae01f

Aliases

arxiv: 2506.03294 · arxiv_version: 2506.03294v2 · doi: 10.48550/arxiv.2506.03294 · pith_short_12: WLQWGTK6VB7R · pith_short_16: WLQWGTK6VB7RLVZ4 · pith_short_8: WLQWGTK6

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/WLQWGTK6VB7RLVZ4YTCMXJ5TWC \
  | 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: b2e1634d5ea87f15d73cc4c4cba7b3b09fd618309c7062059470d7cd1a0ae01f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "903e65f70a4e63015b1124eb5ea725d201b0e52dbfd21483328e4cc4fef41030",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-06-03T18:34:01Z",
    "title_canon_sha256": "a7d34f7aced22bc617c732f04729f683fcd2a9ba2c3f7b0bde633826e0605bfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03294",
    "kind": "arxiv",
    "version": 2
  }
}