Pith Number

pith:Y52FI7S2

pith:2024:Y52FI7S2WI7Z6JFCE7XVC6SRQD

not attested not anchored not stored refs pending

How to stab a polytope

Francesca Zaffalon, Sebastian Seemann

arxiv:2412.00551 v1 · 2024-11-30 · math.CO · 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{Y52FI7S2WI7Z6JFCE7XVC6SRQD}

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	2026-07-05T11:10:02.862049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c774547e5ab23f9f24a227ef517a5180e51a685a9522f8f1a457ffc41f4add88

Aliases

arxiv: 2412.00551 · arxiv_version: 2412.00551v1 · doi: 10.48550/arxiv.2412.00551 · pith_short_12: Y52FI7S2WI7Z · pith_short_16: Y52FI7S2WI7Z6JFC · pith_short_8: Y52FI7S2

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/Y52FI7S2WI7Z6JFCE7XVC6SRQD \
  | 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: c774547e5ab23f9f24a227ef517a5180e51a685a9522f8f1a457ffc41f4add88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f0464a5dff4128f8871a761794c5947dfe3c7f90aede201f28fdd359186109a",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-11-30T18:17:44Z",
    "title_canon_sha256": "fa1ca681c20a34fe0574685a50a5416a3beef104e0eac665455d63595c474c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.00551",
    "kind": "arxiv",
    "version": 1
  }
}