Pith Number

pith:7ME34LZO

pith:2021:7ME34LZOPDPVVKPEPAFRBEOPZB

not attested not anchored not stored refs pending

Spinor fields in $f(\mathcal{Q})$-gravity

Fabrizio Esposito, Luca Fabbri, Roberto Cianci, Sante Carloni, Stefano Vignolo

arxiv:2112.03628 v1 · 2021-12-07 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ME34LZOPDPVVKPEPAFRBEOPZB}

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	2026-07-05T03:42:56.123771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb09be2f2e78df5aa9e4780b1091cfc854796ec3efb213571e480cfa3b6662ea

Aliases

arxiv: 2112.03628 · arxiv_version: 2112.03628v1 · doi: 10.48550/arxiv.2112.03628 · pith_short_12: 7ME34LZOPDPV · pith_short_16: 7ME34LZOPDPVVKPE · pith_short_8: 7ME34LZO

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/7ME34LZOPDPVVKPEPAFRBEOPZB \
  | 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: fb09be2f2e78df5aa9e4780b1091cfc854796ec3efb213571e480cfa3b6662ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3fc3cde6820e5d6b6ddc70923e4bfa5994e28ea5f749390a43d07cb74c4b7f3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-12-07T10:58:21Z",
    "title_canon_sha256": "bb24e487e0ba4e2bc0193144e004c8094fcecfc0b35188c66a71bff8c4f0fb47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03628",
    "kind": "arxiv",
    "version": 1
  }
}