Pith Number

pith:YDXVGPFX

pith:2013:YDXVGPFXHQUL767GSFMQ6MDNQP

not attested not anchored not stored refs pending

New tabulation and sparse dynamic programming based techniques for sequence similarity problems

Szymon Grabowski

arxiv:1312.2217 v2 · 2013-12-08 · 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{YDXVGPFXHQUL767GSFMQ6MDNQP}

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	2026-05-18T02:51:24.068687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0ef533cb73c28bffbe691590f306d83ec3deea70d99c451495ed5ba87aa921e

Aliases

arxiv: 1312.2217 · arxiv_version: 1312.2217v2 · doi: 10.48550/arxiv.1312.2217 · pith_short_12: YDXVGPFXHQUL · pith_short_16: YDXVGPFXHQUL767G · pith_short_8: YDXVGPFX

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/YDXVGPFXHQUL767GSFMQ6MDNQP \
  | 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: c0ef533cb73c28bffbe691590f306d83ec3deea70d99c451495ed5ba87aa921e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "486defa39a6544c93af769d0ee9cfd2c1b7a6186f8fcbad568eea56221f72f04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-12-08T14:09:17Z",
    "title_canon_sha256": "37d1113590dda0b1f4c99df36f7f4e0705659d0739b07c051606c364407998d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2217",
    "kind": "arxiv",
    "version": 2
  }
}