Pith Number

pith:QDUCH65Q

pith:2015:QDUCH65QVNYBA6MVP7X3YOO4CE

not attested not anchored not stored refs pending

Edge modification criteria for enhancing the communicability of digraphs

Francesca Arrigo, Michele Benzi

arxiv:1508.01056 v2 · 2015-08-05 · cs.SI · math.NA · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDUCH65QVNYBA6MVP7X3YOO4CE}

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	2026-05-18T01:26:33.835014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80e823fbb0ab701079957fefbc39dc110f4686edfa5ea052a565ff88a06be490

Aliases

arxiv: 1508.01056 · arxiv_version: 1508.01056v2 · doi: 10.48550/arxiv.1508.01056 · pith_short_12: QDUCH65QVNYB · pith_short_16: QDUCH65QVNYBA6MV · pith_short_8: QDUCH65Q

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/QDUCH65QVNYBA6MVP7X3YOO4CE \
  | 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: 80e823fbb0ab701079957fefbc39dc110f4686edfa5ea052a565ff88a06be490

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6097ba4c85bb771d00db3c0696ccbdc4e813f37fa34cfcd360b6014b99918eed",
    "cross_cats_sorted": [
      "math.NA",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-08-05T12:48:21Z",
    "title_canon_sha256": "de3c5aa92beec743678f6f1885faf03112063d867f7c7345788509da2d293248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01056",
    "kind": "arxiv",
    "version": 2
  }
}