Pith Number

pith:O5JBZQW7

pith:2014:O5JBZQW7IGWYPUHP6FRKUJVXYT

not attested not anchored not stored refs pending

Vertex adjacencies in the set covering polyhedron

N\'estor E. Aguilera, Paola B. Tolomei, Ricardo D. Katz

arxiv:1406.6015 v3 · 2014-06-23 · 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{O5JBZQW7IGWYPUHP6FRKUJVXYT}

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	2026-05-18T00:33:28.032126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77521cc2df41ad87d0eff162aa26b7c4f6ea60c47926d2866fba0bf7484e26bc

Aliases

arxiv: 1406.6015 · arxiv_version: 1406.6015v3 · doi: 10.48550/arxiv.1406.6015 · pith_short_12: O5JBZQW7IGWY · pith_short_16: O5JBZQW7IGWYPUHP · pith_short_8: O5JBZQW7

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/O5JBZQW7IGWYPUHP6FRKUJVXYT \
  | 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: 77521cc2df41ad87d0eff162aa26b7c4f6ea60c47926d2866fba0bf7484e26bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eefb32df5cec5ab3fde513b43a552a796233e560b163a96d8b79ec98c707e87c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-23T18:39:15Z",
    "title_canon_sha256": "9961747ba0a10af7b72740f92bf5ef922797ea5d1a28009834a0d0b56a3a3dd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6015",
    "kind": "arxiv",
    "version": 3
  }
}