Pith Number

pith:A6VKLGC2

pith:2022:A6VKLGC2YQPEV6RLQGQHSNAZF3

not attested not anchored not stored refs pending

IGraph/M: graph theory and network analysis for Mathematica

Daniel Noom, Fabio Zanini, G\'abor Cs\'ardi, Jakub Podkalicki, Szabolcs Horv\'at, Tam\'as Nepusz, Vincent Traag

arxiv:2209.09145 v1 · 2022-09-19 · physics.soc-ph · cs.MS · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6VKLGC2YQPEV6RLQGQHSNAZF3}

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	2026-07-05T05:31:17.309345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07aaa5985ac41e4afa2b81a07934192ef0c33d01003e9caf3e4be02c8a8138cb

Aliases

arxiv: 2209.09145 · arxiv_version: 2209.09145v1 · doi: 10.48550/arxiv.2209.09145 · pith_short_12: A6VKLGC2YQPE · pith_short_16: A6VKLGC2YQPEV6RL · pith_short_8: A6VKLGC2

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/A6VKLGC2YQPEV6RLQGQHSNAZF3 \
  | 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: 07aaa5985ac41e4afa2b81a07934192ef0c33d01003e9caf3e4be02c8a8138cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c915ede1d2519e8f4f5bb060563e1add718a72227ee26f2ef2477ae45571679",
    "cross_cats_sorted": [
      "cs.MS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2022-09-19T16:04:57Z",
    "title_canon_sha256": "fa97027d44411b89b2a3cd0ec48a6d22711443c335fb4ccf8c89b11d96cda3ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.09145",
    "kind": "arxiv",
    "version": 1
  }
}