Pith Number

pith:UMN5FS7O

pith:2018:UMN5FS7OAWMEW5TUC2XFQ7I34Z

not attested not anchored not stored refs pending

Implications of the Holst term in a $f(R)$ theory with torsion

Flavio Bombacigno, Giovanni Montani

arxiv:1810.07607 v2 · 2018-10-17 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMN5FS7OAWMEW5TUC2XFQ7I34Z}

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	2026-05-17T23:50:11.951477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a31bd2cbee05984b767416ae587d1be6437149edbb5f5ca2c6490bf0c3e8c7a3

Aliases

arxiv: 1810.07607 · arxiv_version: 1810.07607v2 · doi: 10.48550/arxiv.1810.07607 · pith_short_12: UMN5FS7OAWME · pith_short_16: UMN5FS7OAWMEW5TU · pith_short_8: UMN5FS7O

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/UMN5FS7OAWMEW5TUC2XFQ7I34Z \
  | 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: a31bd2cbee05984b767416ae587d1be6437149edbb5f5ca2c6490bf0c3e8c7a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc2b5cd194d0461d66a8170b7e3759daac2d23b9b3ac9c943a0c6369d30e43b8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-17T15:19:02Z",
    "title_canon_sha256": "083ee59594982697cec83accb68bd7eb89f24cf78a79314c561e30888ec1316f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07607",
    "kind": "arxiv",
    "version": 2
  }
}