Pith Number

pith:S2ZQMVDD

pith:2021:S2ZQMVDDOY76RXKRBB2AHFNLDM

not attested not anchored not stored refs pending

Polytopes and Machine Learning

Alexander Kasprzyk, Edward Hirst, Jiakang Bao, Johannes Hofscheier, Suvajit Majumder, Yang-Hui He

arxiv:2109.09602 v1 · 2021-09-15 · math.CO · hep-th · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2ZQMVDDOY76RXKRBB2AHFNLDM}

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.

Cited by

1 paper in Pith

Machine Learning Free Quotients of CICYs

Receipt and verification

First computed	2026-07-05T07:45:24.632986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96b3065463763fe8dd5108740395ab1b27d9960e46d721390709285249fda482

Aliases

arxiv: 2109.09602 · arxiv_version: 2109.09602v1 · doi: 10.48550/arxiv.2109.09602 · pith_short_12: S2ZQMVDDOY76 · pith_short_16: S2ZQMVDDOY76RXKR · pith_short_8: S2ZQMVDD

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/S2ZQMVDDOY76RXKRBB2AHFNLDM \
  | 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: 96b3065463763fe8dd5108740395ab1b27d9960e46d721390709285249fda482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "777d2ea8bbdb4b5974b78504a15f0bb552acd96858f5354ac4e972c0f029548a",
    "cross_cats_sorted": [
      "hep-th",
      "math.AG"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-09-15T23:02:25Z",
    "title_canon_sha256": "90cb8be4e507f409410e90cb8860bbce65edf882db12f0ec097f447428d7a3c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09602",
    "kind": "arxiv",
    "version": 1
  }
}