Pith Number

pith:7PHJWWGG

pith:2008:7PHJWWGGI6QUIOFTXUKVQEQZIF

not attested not anchored not stored refs pending

Faster Retrieval with a Two-Pass Dynamic-Time-Warping Lower Bound

Daniel Lemire

arxiv:0811.3301 v2 · 2008-11-20 · cs.DB · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PHJWWGGI6QUIOFTXUKVQEQZIF}

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	2026-05-18T04:04:43.867980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbce9b58c647a14438b3bd155812194157a37966dd85bd047eb55fa756109fe1

Aliases

arxiv: 0811.3301 · arxiv_version: 0811.3301v2 · doi: 10.48550/arxiv.0811.3301 · pith_short_12: 7PHJWWGGI6QU · pith_short_16: 7PHJWWGGI6QUIOFT · pith_short_8: 7PHJWWGG

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/7PHJWWGGI6QUIOFTXUKVQEQZIF \
  | 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: fbce9b58c647a14438b3bd155812194157a37966dd85bd047eb55fa756109fe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86c14c87897256c0e6b22f0ecbd6465fae48570b55a6b1553aab27f477c86d29",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2008-11-20T16:22:05Z",
    "title_canon_sha256": "2cefca7041ac1cf163411eb155b86c42beea837bebe9b9abf245a0ef5f70714b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3301",
    "kind": "arxiv",
    "version": 2
  }
}