Pith Number

pith:3DA5SPVM

pith:2013:3DA5SPVMLBGNUG3SHJ2D54PVH2

not attested not anchored not stored refs pending

Heaviest Induced Ancestors and Longest Common Substrings

Pawe{\l} Gawrychowski, Travis Gagie, Yakov Nekrich

arxiv:1305.3164 v2 · 2013-05-14 · 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{3DA5SPVMLBGNUG3SHJ2D54PVH2}

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	2026-05-18T03:18:28.860916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8c1d93eac584cda1b723a743ef1f53e88c22a8c5326952e7029f4001e011952

Aliases

arxiv: 1305.3164 · arxiv_version: 1305.3164v2 · doi: 10.48550/arxiv.1305.3164 · pith_short_12: 3DA5SPVMLBGN · pith_short_16: 3DA5SPVMLBGNUG3S · pith_short_8: 3DA5SPVM

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/3DA5SPVMLBGNUG3SHJ2D54PVH2 \
  | 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: d8c1d93eac584cda1b723a743ef1f53e88c22a8c5326952e7029f4001e011952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2363c834e8c0a76c0bd6946825c39c926424fb1aa25757274de766c988193c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-05-14T14:24:42Z",
    "title_canon_sha256": "a162626571fa5ea9a2b44438a26ca5220c75090c5c47d0bfe4b30cff1c26f896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3164",
    "kind": "arxiv",
    "version": 2
  }
}