Pith Number

pith:Q7QYHAKM

pith:2015:Q7QYHAKMA4D5GOK4DIGTFHYNII

not attested not anchored not stored refs pending

mplrs: A scalable parallel vertex/facet enumeration code

Charles Jordan, David Avis

arxiv:1511.06487 v4 · 2015-11-20 · cs.MS · cs.CG · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7QYHAKMA4D5GOK4DIGTFHYNII}

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	2026-05-18T00:33:02.579976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87e183814c0707d3395c1a0d329f0d4239db9bac8878d381d07a341efb90e706

Aliases

arxiv: 1511.06487 · arxiv_version: 1511.06487v4 · doi: 10.48550/arxiv.1511.06487 · pith_short_12: Q7QYHAKMA4D5 · pith_short_16: Q7QYHAKMA4D5GOK4 · pith_short_8: Q7QYHAKM

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/Q7QYHAKMA4D5GOK4DIGTFHYNII \
  | 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: 87e183814c0707d3395c1a0d329f0d4239db9bac8878d381d07a341efb90e706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbac1ea5005394e2742dc712e8270c0136016789a2e376d8a11fcf1272c3594d",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2015-11-20T04:54:22Z",
    "title_canon_sha256": "6b907f439826a199f1aa01442e5ef75c2e01dc052d62e16a91df19e65dd4144f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06487",
    "kind": "arxiv",
    "version": 4
  }
}