Pith Number

pith:PQ7BSFTL

pith:2025:PQ7BSFTLI2SIFNYVC2MHVGJWIF

not attested not anchored not stored refs pending

The p-widths of a polygon

Otis Chodosh, Sithipont Cholsaipant

arxiv:2505.03047 v1 · 2025-05-05 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ7BSFTLI2SIFNYVC2MHVGJWIF}

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	2026-07-05T10:58:51.807667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3e19166b46a482b71516987a99364173968ff770524f55d3fa1ef6ec211de0

Aliases

arxiv: 2505.03047 · arxiv_version: 2505.03047v1 · doi: 10.48550/arxiv.2505.03047 · pith_short_12: PQ7BSFTLI2SI · pith_short_16: PQ7BSFTLI2SIFNYV · pith_short_8: PQ7BSFTL

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/PQ7BSFTLI2SIFNYVC2MHVGJWIF \
  | 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: 7c3e19166b46a482b71516987a99364173968ff770524f55d3fa1ef6ec211de0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec533c3cfa26c02d63acf2a2acbeefef3d364c2ccb31813574dda44558bc0a8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-05-05T22:06:32Z",
    "title_canon_sha256": "3ed8a334bcb58bb217507e657064d2147c61efc7df0565fdb6c3cefd0537970d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.03047",
    "kind": "arxiv",
    "version": 1
  }
}