Pith Number

pith:BA3BBISM

pith:2018:BA3BBISMPV7LSEWICU3H5N4RWS

not attested not anchored not stored refs pending

$S_{12}$ and $P_{12}$-colorings of cubic graphs

Anush Hakobyan, Vahan Mkrtchyan

arxiv:1807.08138 v1 · 2018-07-21 · 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{BA3BBISMPV7LSEWICU3H5N4RWS}

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	2026-05-18T00:10:09.159073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

083610a24c7d7eb912c815367eb791b4b352d91aa3d9209cb9ca448bf2735710

Aliases

arxiv: 1807.08138 · arxiv_version: 1807.08138v1 · doi: 10.48550/arxiv.1807.08138 · pith_short_12: BA3BBISMPV7L · pith_short_16: BA3BBISMPV7LSEWI · pith_short_8: BA3BBISM

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/BA3BBISMPV7LSEWICU3H5N4RWS \
  | 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: 083610a24c7d7eb912c815367eb791b4b352d91aa3d9209cb9ca448bf2735710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36ae019235bf7c76fb28d2c74005197574268a02539587119dfab83e8cf8c669",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-07-21T12:29:27Z",
    "title_canon_sha256": "1bfae63c95b7e502a1158b669c914708ca296cb68eede3baebf5e03fd692b7d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08138",
    "kind": "arxiv",
    "version": 1
  }
}