Pith Number

pith:Q745FZ6F

pith:2015:Q745FZ6FTMJXN47SXORUIIXJ5R

not attested not anchored not stored refs pending

Homogeneous spin Riemannian manifolds with the simplest Dirac operator

Jos\'e A. Oubi\~na, Jos\'e C. Gonz\'alez-D\'avila, P. M. Gadea

arxiv:1504.05925 v2 · 2015-04-22 · 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{Q745FZ6FTMJXN47SXORUIIXJ5R}

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	2026-05-18T01:21:05.139641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f9d2e7c59b1376f3f2bba34422e9ec6b0647d95d78950f4d378198affabaad

Aliases

arxiv: 1504.05925 · arxiv_version: 1504.05925v2 · doi: 10.48550/arxiv.1504.05925 · pith_short_12: Q745FZ6FTMJX · pith_short_16: Q745FZ6FTMJXN47S · pith_short_8: Q745FZ6F

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/Q745FZ6FTMJXN47SXORUIIXJ5R \
  | 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: 87f9d2e7c59b1376f3f2bba34422e9ec6b0647d95d78950f4d378198affabaad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09552513560f454edcd95adf484c3dc5a926e1800101d9eb77d9d64eac77d4af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-04-22T19:05:11Z",
    "title_canon_sha256": "1752faeeb3d9e0b0dea61c0278d80e71a4ef4f0eeb7bd3eed7a59d6cda22bc5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05925",
    "kind": "arxiv",
    "version": 2
  }
}