Pith Number

pith:EQNWWUTP

pith:2018:EQNWWUTPB3UOV6HJT2IA2PEAWS

not attested not anchored not stored refs pending

On the Geodetic Hull Number of Complementary Prisms

Erika M. M. Coelho, Hebert Coelho, Jayme L. Szwarcfiter, Julliano R. Nascimento

arxiv:1807.08295 v1 · 2018-07-22 · 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{EQNWWUTPB3UOV6HJT2IA2PEAWS}

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	2026-05-18T00:10:08.528441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

241b6b526f0ee8eaf8e99e900d3c80b4bdf3836de8d39cfdfe9e8a576c5ce71b

Aliases

arxiv: 1807.08295 · arxiv_version: 1807.08295v1 · doi: 10.48550/arxiv.1807.08295 · pith_short_12: EQNWWUTPB3UO · pith_short_16: EQNWWUTPB3UOV6HJ · pith_short_8: EQNWWUTP

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/EQNWWUTPB3UOV6HJT2IA2PEAWS \
  | 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: 241b6b526f0ee8eaf8e99e900d3c80b4bdf3836de8d39cfdfe9e8a576c5ce71b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f13ca2396f92908440559ac7def7dae1d645a074324bc45703b3a160d74aa54",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-07-22T15:06:18Z",
    "title_canon_sha256": "5334e20210cef0634428f0c6c3654c68a3f49a3b37a6f93b63913ef290a347ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08295",
    "kind": "arxiv",
    "version": 1
  }
}