Pith Number

pith:5KPERVMW

pith:2019:5KPERVMW2MRXONAO7POMK2IXG2

not attested not anchored not stored refs pending

Translating between the representations of a ranked convex geometry

Lhouari Nourine, Oscar Defrain, Simon Vilmin

arxiv:1907.09433 v2 · 2019-07-22 · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KPERVMW2MRXONAO7POMK2IXG2}

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	2026-07-05T02:27:18.166644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea9e48d596d32377340efbdcc569173695f77d64e9ae62bda492f7984bd7aa58

Aliases

arxiv: 1907.09433 · arxiv_version: 1907.09433v2 · doi: 10.48550/arxiv.1907.09433 · pith_short_12: 5KPERVMW2MRX · pith_short_16: 5KPERVMW2MRXONAO · pith_short_8: 5KPERVMW

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/5KPERVMW2MRXONAO7POMK2IXG2 \
  | 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: ea9e48d596d32377340efbdcc569173695f77d64e9ae62bda492f7984bd7aa58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c85f27da305ff16c8282b750bde704b4bde6c0dcdba35de3cf503ba464e95f0a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-07-22T17:05:47Z",
    "title_canon_sha256": "d1f1333dc5e1c6f2bfdcfed8c3e1dd3249a331fe1bcab08b85f41ced57cd23f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09433",
    "kind": "arxiv",
    "version": 2
  }
}