Pith Number

pith:4WUA57BO

pith:2011:4WUA57BOFTXXBAU22KXN32GJFT

not attested not anchored not stored refs pending

Succincter Text Indexing with Wildcards

Chris Thachuk

arxiv:1101.5376 v1 · 2011-01-27 · cs.DS · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WUA57BOFTXXBAU22KXN32GJFT}

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	2026-05-18T04:30:35.592466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a80efc2e2cef70829ad2aedde8c92cdfc7fa5506d398de7111228eaa8fbce2

Aliases

arxiv: 1101.5376 · arxiv_version: 1101.5376v1 · doi: 10.48550/arxiv.1101.5376 · pith_short_12: 4WUA57BOFTXX · pith_short_16: 4WUA57BOFTXXBAU2 · pith_short_8: 4WUA57BO

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/4WUA57BOFTXXBAU22KXN32GJFT \
  | 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: e5a80efc2e2cef70829ad2aedde8c92cdfc7fa5506d398de7111228eaa8fbce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ced8cf79403cdab7cf92601978f20fcd1373df136b840f4b31566b30a1f28f08",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-01-27T20:09:34Z",
    "title_canon_sha256": "508c0ed123d1ac3eb329022e7fc3870fcdd647f9e54caa1a1b908c2d28ec1065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5376",
    "kind": "arxiv",
    "version": 1
  }
}