Pith Number

pith:JJ6ME47D

pith:2014:JJ6ME47DSTQF23YVAR4Z4WQYDP

not attested not anchored not stored refs pending

Longest Common Extensions in Trees

Gad M. Landau, Inge Li Goertz, Oren Weimann, Pawel Gawrychowski, Philip Bille

arxiv:1412.1254 v3 · 2014-12-03 · 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{JJ6ME47DSTQF23YVAR4Z4WQYDP}

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	2026-05-18T01:37:07.668000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7cc273e394e05d6f1504799e5a181bc2f6d878313f2e6e4a6ac76adc18266f

Aliases

arxiv: 1412.1254 · arxiv_version: 1412.1254v3 · doi: 10.48550/arxiv.1412.1254 · pith_short_12: JJ6ME47DSTQF · pith_short_16: JJ6ME47DSTQF23YV · pith_short_8: JJ6ME47D

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/JJ6ME47DSTQF23YVAR4Z4WQYDP \
  | 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: 4a7cc273e394e05d6f1504799e5a181bc2f6d878313f2e6e4a6ac76adc18266f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9943b67729c068f0b289335ebbe67fe5f22c81f5bda1634abcf918d9a4bf72a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-12-03T10:02:47Z",
    "title_canon_sha256": "6e8c2e1005cca2fe2a1187c2f6b546f909af5ebd80b938a9f85777e24410a8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1254",
    "kind": "arxiv",
    "version": 3
  }
}