Pith Number

pith:NMDUHELP

pith:2018:NMDUHELPBGZLBMPMFEIKV3XT7X

not attested not anchored not stored refs pending

Note on minimal number of skewed unit cells for periodic distance calculation

Senja Barthel

arxiv:1807.06053 v1 · 2018-07-16 · 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{NMDUHELPBGZLBMPMFEIKV3XT7X}

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	2026-05-18T00:10:34.233830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b0743916f09b2b0b1ec2910aaeef3fdc3e0627e0bd07eeaa698806182adc9f6

Aliases

arxiv: 1807.06053 · arxiv_version: 1807.06053v1 · doi: 10.48550/arxiv.1807.06053 · pith_short_12: NMDUHELPBGZL · pith_short_16: NMDUHELPBGZLBMPM · pith_short_8: NMDUHELP

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/NMDUHELPBGZLBMPMFEIKV3XT7X \
  | 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: 6b0743916f09b2b0b1ec2910aaeef3fdc3e0627e0bd07eeaa698806182adc9f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f312da18d019f393bcd74907b5ced3ce2aade216a82eb505b04f1c928a07b50e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-07-16T18:40:58Z",
    "title_canon_sha256": "dc665ce056c9552eabc237831a19def10ca5c8a35e5a1604245098262d23028e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06053",
    "kind": "arxiv",
    "version": 1
  }
}