Pith Number

pith:IO4JA76R

pith:2014:IO4JA76RUUWA5U5GOZNI52RYYW

not attested not anchored not stored refs pending

Non-regular graphs with minimal total irregularity

Darko Dimitrov, Hosam Abdo

arxiv:1407.1276 v1 · 2014-07-04 · cs.DM · math.CO

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:48:18.219783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b8907fd1a52c0ed3a6765a8eea38c5ac81420a0338ece8dc4c4453209ce57d

Aliases

arxiv: 1407.1276 · arxiv_version: 1407.1276v1 · doi: 10.48550/arxiv.1407.1276

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/IO4JA76RUUWA5U5GOZNI52RYYW \
  | 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: 43b8907fd1a52c0ed3a6765a8eea38c5ac81420a0338ece8dc4c4453209ce57d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33eeec0fc808c4d41c3fab859d17d097b8c1f4ad5358d178f4f45034bd5a965c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-07-04T17:04:17Z",
    "title_canon_sha256": "b1b5d2aaaaabedd54668202e099aab5fa6f3eadfbdaadcf507e8082459c6d73d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1276",
    "kind": "arxiv",
    "version": 1
  }
}