Pith Number

pith:VHJEHPH2

pith:2018:VHJEHPH2Y6ABJTVGTFQ7BO32HN

not attested not anchored not stored refs pending

On the isometric path partition problem

Paul Manuel

arxiv:1808.09097 v1 · 2018-08-26 · 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{VHJEHPH2Y6ABJTVGTFQ7BO32HN}

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	2026-05-18T00:07:04.532354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9d243bcfac78014cea69961f0bb7a3b4eb5cf320685089d077025c638941b2f

Aliases

arxiv: 1808.09097 · arxiv_version: 1808.09097v1 · doi: 10.48550/arxiv.1808.09097 · pith_short_12: VHJEHPH2Y6AB · pith_short_16: VHJEHPH2Y6ABJTVG · pith_short_8: VHJEHPH2

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/VHJEHPH2Y6ABJTVGTFQ7BO32HN \
  | 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: a9d243bcfac78014cea69961f0bb7a3b4eb5cf320685089d077025c638941b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c50ccee5d754e293d0697fb66f2c8248255c3964d85c34826ff83fb86a86245",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-08-26T11:19:32Z",
    "title_canon_sha256": "c701770eb1f06df42d3e1622d6219f459aaae4df45c4e4e8bef1ee5d04ecee22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09097",
    "kind": "arxiv",
    "version": 1
  }
}