Pith Number

pith:NPO35GRA

pith:2016:NPO35GRAR3DK4VDUL5PWX4MJRI

not attested not anchored not stored refs pending

Optimal Approximate Polytope Membership

David M. Mount, Guilherme D. da Fonseca, Sunil Arya

arxiv:1612.01696 v1 · 2016-12-06 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPO35GRAR3DK4VDUL5PWX4MJRI}

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	2026-05-18T00:26:18.444739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bddbe9a208ec6ae54745f5f6bf1898a29eaea863015cdaeb49dc4958337f50f

Aliases

arxiv: 1612.01696 · arxiv_version: 1612.01696v1 · doi: 10.48550/arxiv.1612.01696 · pith_short_12: NPO35GRAR3DK · pith_short_16: NPO35GRAR3DK4VDU · pith_short_8: NPO35GRA

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/NPO35GRAR3DK4VDUL5PWX4MJRI \
  | 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: 6bddbe9a208ec6ae54745f5f6bf1898a29eaea863015cdaeb49dc4958337f50f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "575e6a727a136668ad21a63a0b2498594ac0d0410aae67d598e7067638114071",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-12-06T08:07:36Z",
    "title_canon_sha256": "96ec52ed0fec08e952c9257d18f71286be504f3ea825a19b64997e2b8933dcaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01696",
    "kind": "arxiv",
    "version": 1
  }
}