Pith Number

pith:2CY3GRFC

pith:2019:2CY3GRFC7WXQUJIWGRA2NHYX3P

not attested not anchored not stored refs pending

RLE edit distance in near optimal time

Daniel P. Martin, Pawe{\l} Gawrychowski, Przemys{\l}aw Uzna\'nski, Rapha\"el Clifford, Tomasz Kociumaka

arxiv:1905.01254 v1 · 2019-05-03 · 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{2CY3GRFC7WXQUJIWGRA2NHYX3P}

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	2026-05-17T23:47:06.402926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0b1b344a2fdaf0a25163441a69f17dbe0d5a94802c23083b57222cff640f752

Aliases

arxiv: 1905.01254 · arxiv_version: 1905.01254v1 · doi: 10.48550/arxiv.1905.01254 · pith_short_12: 2CY3GRFC7WXQ · pith_short_16: 2CY3GRFC7WXQUJIW · pith_short_8: 2CY3GRFC

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/2CY3GRFC7WXQUJIWGRA2NHYX3P \
  | 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: d0b1b344a2fdaf0a25163441a69f17dbe0d5a94802c23083b57222cff640f752

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4596b808b8cb142579b2556f0bdc8372be413d0aa2b51c5f8a0ddde8ff7d2083",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-03T16:19:31Z",
    "title_canon_sha256": "1b130f3b19f5d6f1b12d7f0a7d0b42c0454b5e0ef8edff23e20286571b73826a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01254",
    "kind": "arxiv",
    "version": 1
  }
}