Pith Number

pith:AEMQLDNZ

pith:2012:AEMQLDNZTQMN3HR4PUBSCVVTNW

not attested not anchored not stored refs pending

Biclique-colouring verification complexity and biclique-colouring power graphs

Celina M. H. de Figueiredo, H\'elio B. Mac\^edo Filho, Raphael C. S. Machado, Simone Dantas

arxiv:1203.2543 v2 · 2012-03-12 · 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{AEMQLDNZTQMN3HR4PUBSCVVTNW}

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	2026-05-18T03:29:16.384559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0119058db99c18dd9e3c7d032156b36d91557e1fea91cb7d68d666efaf4028b1

Aliases

arxiv: 1203.2543 · arxiv_version: 1203.2543v2 · doi: 10.48550/arxiv.1203.2543 · pith_short_12: AEMQLDNZTQMN · pith_short_16: AEMQLDNZTQMN3HR4 · pith_short_8: AEMQLDNZ

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/AEMQLDNZTQMN3HR4PUBSCVVTNW \
  | 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: 0119058db99c18dd9e3c7d032156b36d91557e1fea91cb7d68d666efaf4028b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b05ca47fc6cbaa2bf9a11829e148f0e631da7a98574c39e4e7a6afa9913406",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-03-12T16:45:21Z",
    "title_canon_sha256": "9286f604110bd87f62b46450b435e437d15edc86db7a8a8c041326ce43716121"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2543",
    "kind": "arxiv",
    "version": 2
  }
}