Pith Number

pith:GMU4UBSA

pith:2016:GMU4UBSACHFZH5RJZDAPW6PQWY

not attested not anchored not stored refs pending

A simple linear space algorithm for computing a longest common increasing subsequence

Daxin Zhu, Lei Wang, Tinran Wang, Xiaodong Wang

arxiv:1608.07002 v1 · 2016-08-25 · 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{GMU4UBSACHFZH5RJZDAPW6PQWY}

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	2026-05-18T01:07:56.307427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3329ca064011cb93f629c8c0fb79f0b605216e61944fc155374b9d44a76a6ee1

Aliases

arxiv: 1608.07002 · arxiv_version: 1608.07002v1 · doi: 10.48550/arxiv.1608.07002 · pith_short_12: GMU4UBSACHFZ · pith_short_16: GMU4UBSACHFZH5RJ · pith_short_8: GMU4UBSA

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/GMU4UBSACHFZH5RJZDAPW6PQWY \
  | 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: 3329ca064011cb93f629c8c0fb79f0b605216e61944fc155374b9d44a76a6ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "031e6fd14f9f1571e245c0d6ee67bdac0637375421949f59ecc71559b2d477fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-08-25T01:56:40Z",
    "title_canon_sha256": "a5b73dc6a75566021d33cbf35987f05e9fbaa8fe9258da2c82392995cf459b30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07002",
    "kind": "arxiv",
    "version": 1
  }
}