Pith Number

pith:UZM6ZD7D

pith:2017:UZM6ZD7D6PXQLP3CLGIXDTOT52

not attested not anchored not stored refs pending

Structural and computational results on platypus graphs

Addie Neyt, Carol T. Zamfirescu, Jan Goedgebeur

arxiv:1712.05158 v1 · 2017-12-14 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZM6ZD7D6PXQLP3CLGIXDTOT52}

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	2026-05-18T00:27:58.700533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a659ec8fe3f3ef05bf62599171cdd3eea8d973459af6648b74feee183766c52e

Aliases

arxiv: 1712.05158 · arxiv_version: 1712.05158v1 · doi: 10.48550/arxiv.1712.05158 · pith_short_12: UZM6ZD7D6PXQ · pith_short_16: UZM6ZD7D6PXQLP3C · pith_short_8: UZM6ZD7D

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/UZM6ZD7D6PXQLP3CLGIXDTOT52 \
  | 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: a659ec8fe3f3ef05bf62599171cdd3eea8d973459af6648b74feee183766c52e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6b6c2907cac3e66c309ddcad98b20f87b31b21e73900993cd38a3727c0df23d",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-12-14T10:37:42Z",
    "title_canon_sha256": "280550943cba6dd92497aab4a37a813f4392dd1a45e600ce7bc4915d79007da6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05158",
    "kind": "arxiv",
    "version": 1
  }
}