Pith Number

pith:U6X6UZXD

pith:2012:U6X6UZXDFFYRIDGXY2Z62W52OT

not attested not anchored not stored refs pending

An odd characterization of the generalized odd graphs

Edwin R. van Dam, Willem H. Haemers

arxiv:1202.2300 v1 · 2012-02-10 · 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{U6X6UZXDFFYRIDGXY2Z62W52OT}

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	2026-05-18T04:02:36.758374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7afea66e32971140cd7c6b3ed5bba74ff9cf4d78c6e3899d911c3e4a4840c00

Aliases

arxiv: 1202.2300 · arxiv_version: 1202.2300v1 · doi: 10.48550/arxiv.1202.2300 · pith_short_12: U6X6UZXDFFYR · pith_short_16: U6X6UZXDFFYRIDGX · pith_short_8: U6X6UZXD

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/U6X6UZXDFFYRIDGXY2Z62W52OT \
  | 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: a7afea66e32971140cd7c6b3ed5bba74ff9cf4d78c6e3899d911c3e4a4840c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97e1f92728b5a82ede7d4e6fae5dabc117396e2ca509f4811de2c50b58b2e7bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-02-10T16:40:30Z",
    "title_canon_sha256": "fe5e8d2eb91e9d6894587239488c794d267ee2d8f20f27457f42ee1e51e5fc35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2300",
    "kind": "arxiv",
    "version": 1
  }
}