Pith Number

pith:R724K2SC

pith:2010:R724K2SCBE6M7MXBUX5CQIYDQR

not attested not anchored not stored refs pending

Complexity dichotomy on partial grid recognition

Celina M. H. de Figueiredo, Guilherme D. da Fonseca, Raphael Machado, Vin\'icius G. P. de S\'a

arxiv:1006.3541 v1 · 2010-06-17 · 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{R724K2SCBE6M7MXBUX5CQIYDQR}

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	2026-05-18T03:58:04.708823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ff5c56a42093ccfb2e1a5fa282303845dc18ef8e488b0af7d75b344312d8822

Aliases

arxiv: 1006.3541 · arxiv_version: 1006.3541v1 · doi: 10.48550/arxiv.1006.3541 · pith_short_12: R724K2SCBE6M · pith_short_16: R724K2SCBE6M7MXB · pith_short_8: R724K2SC

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/R724K2SCBE6M7MXBUX5CQIYDQR \
  | 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: 8ff5c56a42093ccfb2e1a5fa282303845dc18ef8e488b0af7d75b344312d8822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33fa7eb8a10ff024f6f2b2a0de61901a3304e23c8b19916b0c91dfd1f8f3a771",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-06-17T18:30:09Z",
    "title_canon_sha256": "5c50c3d98610febae33d5797c7bda8679623caf97048f5ae095b6a6fe56d591b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.3541",
    "kind": "arxiv",
    "version": 1
  }
}