Pith Number

pith:OMDDMAL6

pith:2022:OMDDMAL67AVBGFWI3UBINY7LNF

not attested not anchored not stored refs pending

Bianchi type-I cosmological dynamics in $f(\mathcal{Q})$ gravity: a covariant approach

Fabrizio Esposito, Sante Carloni, Stefano Vignolo

arxiv:2207.14576 v2 · 2022-07-29 · 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{OMDDMAL67AVBGFWI3UBINY7LNF}

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	2026-07-05T05:16:02.233856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

730636017ef82a1316c8dd0286e3eb697ea39d3619e3f143757f9a9e9bb01a53

Aliases

arxiv: 2207.14576 · arxiv_version: 2207.14576v2 · doi: 10.48550/arxiv.2207.14576 · pith_short_12: OMDDMAL67AVB · pith_short_16: OMDDMAL67AVBGFWI · pith_short_8: OMDDMAL6

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/OMDDMAL67AVBGFWI3UBINY7LNF \
  | 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: 730636017ef82a1316c8dd0286e3eb697ea39d3619e3f143757f9a9e9bb01a53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02757266535e2f1a377cbadd98616430cd7cce31ff2acd2f3e1ad76046093fb9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-07-29T09:45:27Z",
    "title_canon_sha256": "a60f3b203e21bedeac38744d6a6b4e13fb1aca8c563529743984628440d5d25d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.14576",
    "kind": "arxiv",
    "version": 2
  }
}