Pith Number

pith:HLBKBZGR

pith:2014:HLBKBZGR4GPO6NBU7U55CNLOXB

not attested not anchored not stored refs pending

Finding minimum Tucker submatrices

Arash Rafiey, Jan Manuch

arxiv:1401.4739 v1 · 2014-01-19 · 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{HLBKBZGR4GPO6NBU7U55CNLOXB}

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	2026-05-18T03:01:44.776831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ac2a0e4d1e19eef3434fd3bd1356eb84b7fd0a37df3a1604486de874d5cddd0

Aliases

arxiv: 1401.4739 · arxiv_version: 1401.4739v1 · doi: 10.48550/arxiv.1401.4739 · pith_short_12: HLBKBZGR4GPO · pith_short_16: HLBKBZGR4GPO6NBU · pith_short_8: HLBKBZGR

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/HLBKBZGR4GPO6NBU7U55CNLOXB \
  | 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: 3ac2a0e4d1e19eef3434fd3bd1356eb84b7fd0a37df3a1604486de874d5cddd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1969025b52bb8314186faf12351995d294e9a77ad39e59526b82a738fc53e819",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-01-19T21:24:33Z",
    "title_canon_sha256": "8a8d3fc674b8087aafd3956da97c0a34234510352ec180ea28be9f4a2919da27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4739",
    "kind": "arxiv",
    "version": 1
  }
}