Pith Number

pith:7KF35JOW

pith:2014:7KF35JOWBREQ6NVDMPDPKFHHYP

not attested not anchored not stored refs pending

Minimal hulls of compact sets in $\mathbb R^3$

Barbara Drinovec Drnovsek, Franc Forstneric

arxiv:1409.6906 v6 · 2014-09-24 · math.DG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KF35JOWBREQ6NVDMPDPKFHHYP}

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	2026-05-18T01:18:52.887650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa8bbea5d60c490f36a363c6f514e7c3d4597a8e59257e97d58ae4a6f35f92d9

Aliases

arxiv: 1409.6906 · arxiv_version: 1409.6906v6 · doi: 10.48550/arxiv.1409.6906 · pith_short_12: 7KF35JOWBREQ · pith_short_16: 7KF35JOWBREQ6NVD · pith_short_8: 7KF35JOW

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/7KF35JOWBREQ6NVDMPDPKFHHYP \
  | 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: fa8bbea5d60c490f36a363c6f514e7c3d4597a8e59257e97d58ae4a6f35f92d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27eaaccecc68f7fbb0e29169c90ba17780757b6ad976234fbb80204f04944c49",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-09-24T11:37:45Z",
    "title_canon_sha256": "a6b3d6c6184f0e3ff43581a04fe2d9caf6e6af2e10c24d40c3b4e1628fddd89e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6906",
    "kind": "arxiv",
    "version": 6
  }
}