Pith Number

pith:7COSRYHM

pith:2010:7COSRYHMFNYUWVOZMB74NYOB3F

not attested not anchored not stored refs pending

Directed Graphs, Decompositions, and Spatial Linkages

Adnan Sljoka, Offer Shai, Walter Whiteley

arxiv:1010.5552 v2 · 2010-10-27 · math.CO · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7COSRYHMFNYUWVOZMB74NYOB3F}

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	2026-05-18T02:23:38.500865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f89d28e0ec2b714b55d9607fc6e1c1d96f35733f9556c6d70647a09c2af3188f

Aliases

arxiv: 1010.5552 · arxiv_version: 1010.5552v2 · doi: 10.48550/arxiv.1010.5552 · pith_short_12: 7COSRYHMFNYU · pith_short_16: 7COSRYHMFNYUWVOZ · pith_short_8: 7COSRYHM

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/7COSRYHMFNYUWVOZMB74NYOB3F \
  | 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: f89d28e0ec2b714b55d9607fc6e1c1d96f35733f9556c6d70647a09c2af3188f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dd5831ace7d998f9ef658932a818152284f6dfb8235d9d42ed8e5f86e31066c",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-10-27T02:17:49Z",
    "title_canon_sha256": "cc394eb4c0805eece5bfa64fd72c94f6f85d8fb58efdabd99ccf862d451e3527"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5552",
    "kind": "arxiv",
    "version": 2
  }
}