Pith Number

pith:LZ7DQHW2

pith:2013:LZ7DQHW2OKC2EAZS7JQKSTJYBT

not attested not anchored not stored refs pending

A non-parametric efficient evaluation of Partial Directed Coherence

Pierre-Olivier Amblard

arxiv:1311.6345 v1 · 2013-11-25 · q-bio.NC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZ7DQHW2OKC2EAZS7JQKSTJYBT}

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	2026-05-18T03:06:14.301745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e7e381eda7285a20332fa60a94d380cc0125e3694ea73d44abe5dd99ef4a41a

Aliases

arxiv: 1311.6345 · arxiv_version: 1311.6345v1 · doi: 10.48550/arxiv.1311.6345 · pith_short_12: LZ7DQHW2OKC2 · pith_short_16: LZ7DQHW2OKC2EAZS · pith_short_8: LZ7DQHW2

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/LZ7DQHW2OKC2EAZS7JQKSTJYBT \
  | 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: 5e7e381eda7285a20332fa60a94d380cc0125e3694ea73d44abe5dd99ef4a41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2d9edc040ff8ae4b2034c1d6c9ce089aeaeb1ce25be6ee6ce6c6ac6d40e5fec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2013-11-25T16:04:18Z",
    "title_canon_sha256": "bfdf1c25b4cb9daf6a443b0f05c25ea1440c1f03b7f65b848d7f8d15f902d522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6345",
    "kind": "arxiv",
    "version": 1
  }
}