Pith Number

pith:QHMVHHBJ

pith:2025:QHMVHHBJM2ESFRCBBFOFU2YJCR

not attested not anchored not stored refs pending

Triangoli, Icosaedri e Cupole Geodetiche

Giuseppe Conti, Raffaella Paoletti

arxiv:2505.21412 v1 · 2025-05-27 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHMVHHBJM2ESFRCBBFOFU2YJCR}

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	2026-07-05T11:10:41.606616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d9539c29668922c441095c5a6b09146967adc68ba1ac94ceeee1e43325bfe3

Aliases

arxiv: 2505.21412 · arxiv_version: 2505.21412v1 · doi: 10.48550/arxiv.2505.21412 · pith_short_12: QHMVHHBJM2ES · pith_short_16: QHMVHHBJM2ESFRCB · pith_short_8: QHMVHHBJ

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/QHMVHHBJM2ESFRCBBFOFU2YJCR \
  | 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: 81d9539c29668922c441095c5a6b09146967adc68ba1ac94ceeee1e43325bfe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "851e14d07b61592b7f551fc75e7d19d159f4ea772d46e12344f1175bb8e7ccd5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2025-05-27T16:40:38Z",
    "title_canon_sha256": "e7fa80ac86ffd0de152946adaeee31988a51d84c16283bfcf5c0d836ec17f019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21412",
    "kind": "arxiv",
    "version": 1
  }
}