Pith Number

pith:7MHZTEPD

pith:2024:7MHZTEPDMUNEB2SF5NW5DFHA3F

not attested not anchored not stored refs pending

A characterization of Pfaffian embeddings from (2, 3, 5)- into flat (4, 7)-geometries

Benjamin McMillan

arxiv:2404.14988 v1 · 2024-04-23 · 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{7MHZTEPDMUNEB2SF5NW5DFHA3F}

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	2026-07-05T08:11:13.498432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb0f9991e3651a40ea45eb6dd194e0d947359befe4e3c71597d3b58fc5252f84

Aliases

arxiv: 2404.14988 · arxiv_version: 2404.14988v1 · doi: 10.48550/arxiv.2404.14988 · pith_short_12: 7MHZTEPDMUNE · pith_short_16: 7MHZTEPDMUNEB2SF · pith_short_8: 7MHZTEPD

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/7MHZTEPDMUNEB2SF5NW5DFHA3F \
  | 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: fb0f9991e3651a40ea45eb6dd194e0d947359befe4e3c71597d3b58fc5252f84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f97135cd3a372a9421e1307c6c39914b50215313bb7d362ad31a1363b9c82052",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2024-04-23T12:45:32Z",
    "title_canon_sha256": "2efeba9ba882e04256af03fac0c980059616f5393f58a32a1154fee00b4be660"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.14988",
    "kind": "arxiv",
    "version": 1
  }
}