Pith Number

pith:WBAQK255

pith:2019:WBAQK255DCXKG677GTH5AU25T2

not attested not anchored not stored refs pending

Fully-functional bidirectional Burrows-Wheeler indexes

Djamal Belazzougui, Fabio Cunial

arxiv:1901.10165 v2 · 2019-01-29 · 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{WBAQK255DCXKG677GTH5AU25T2}

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	2026-05-17T23:43:50.018410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b041056bbd18aea37bff34cfd0535d9e9824cfe1db5e7d242d0e6158b3048807

Aliases

arxiv: 1901.10165 · arxiv_version: 1901.10165v2 · doi: 10.48550/arxiv.1901.10165 · pith_short_12: WBAQK255DCXK · pith_short_16: WBAQK255DCXKG677 · pith_short_8: WBAQK255

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/WBAQK255DCXKG677GTH5AU25T2 \
  | 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: b041056bbd18aea37bff34cfd0535d9e9824cfe1db5e7d242d0e6158b3048807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2242b9d9d16932ee4cc415c50bff6791c47175ff1e7d62db3256a2da67054fc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-01-29T08:33:09Z",
    "title_canon_sha256": "04891fda0f5232de57af9b58849feb0a698cc13cffce270793c90cdc1c65123e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10165",
    "kind": "arxiv",
    "version": 2
  }
}