Pith Number

pith:MDO2RVPR

pith:2021:MDO2RVPRRYDDJ5POMEMENADS7M

not attested not anchored not stored refs pending

Graph Similarity and Homomorphism Densities

Jan B\"oker

arxiv:2104.14213 v1 · 2021-04-29 · cs.DM · 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{MDO2RVPRRYDDJ5POMEMENADS7M}

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	2026-07-05T02:36:14.328388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60dda8d5f18e0634f5ee6118468072fb12ce18f730882320c8e25eb87285479f

Aliases

arxiv: 2104.14213 · arxiv_version: 2104.14213v1 · doi: 10.48550/arxiv.2104.14213 · pith_short_12: MDO2RVPRRYDD · pith_short_16: MDO2RVPRRYDDJ5PO · pith_short_8: MDO2RVPR

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/MDO2RVPRRYDDJ5POMEMENADS7M \
  | 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: 60dda8d5f18e0634f5ee6118468072fb12ce18f730882320c8e25eb87285479f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54fbd1e7e66e8447f0b9068e2b6233600eb671b242fc6d970000bb95736921a9",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2021-04-29T09:04:06Z",
    "title_canon_sha256": "8abadae51a54cc6e98cc314eb12f37e7a55ffa5ca36e6780efbbc7d30856348e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14213",
    "kind": "arxiv",
    "version": 1
  }
}