Pith Number

pith:QHJ7BWMO

pith:2015:QHJ7BWMOOBR3OTJJSGEPT7UBGU

not attested not anchored not stored refs pending

An Efficient Dynamic Programming Algorithm for STR-IC-SEQ-EC-LCS Problem

Daxin Zhu, Lei Wang, Xiaodong Wang, Yingjie Wu

arxiv:1506.00063 v1 · 2015-05-30 · 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{QHJ7BWMOOBR3OTJJSGEPT7UBGU}

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	2026-05-18T01:59:55.580807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d3f0d98e7063b74d299188f9fe81350408c12a98bc905f4113e6e1d7f4ad45

Aliases

arxiv: 1506.00063 · arxiv_version: 1506.00063v1 · doi: 10.48550/arxiv.1506.00063 · pith_short_12: QHJ7BWMOOBR3 · pith_short_16: QHJ7BWMOOBR3OTJJ · pith_short_8: QHJ7BWMO

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/QHJ7BWMOOBR3OTJJSGEPT7UBGU \
  | 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: 81d3f0d98e7063b74d299188f9fe81350408c12a98bc905f4113e6e1d7f4ad45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6827fcdee6444c1372de3754fe967ec54b1d1bd1726898adcfa8df21aa79e349",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-05-30T03:14:38Z",
    "title_canon_sha256": "5db4e43ce8d08836beb6994fc56872eca046b7fc6231821590067b517758d3cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00063",
    "kind": "arxiv",
    "version": 1
  }
}