Pith Number

pith:JTT2O3FO

pith:2018:JTT2O3FOZ32P2XGITP5TZ43QGD

not attested not anchored not stored refs pending

Light propagation and optical scalars in torsion theories of gravity

Siamak Akhshabi

arxiv:1805.07534 v2 · 2018-05-19 · 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{JTT2O3FOZ32P2XGITP5TZ43QGD}

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	2026-05-17T23:56:47.941293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ce7a76caecef4fd5cc89bfb3cf37030d19fb8b94bee97aaa87e441bec5d2f12

Aliases

arxiv: 1805.07534 · arxiv_version: 1805.07534v2 · doi: 10.48550/arxiv.1805.07534 · pith_short_12: JTT2O3FOZ32P · pith_short_16: JTT2O3FOZ32P2XGI · pith_short_8: JTT2O3FO

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/JTT2O3FOZ32P2XGITP5TZ43QGD \
  | 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: 4ce7a76caecef4fd5cc89bfb3cf37030d19fb8b94bee97aaa87e441bec5d2f12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1db7863edbbb5c2f304e142b029c682721a0db65b1f2abb79a1993e01ec5c6ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-19T07:38:02Z",
    "title_canon_sha256": "e499418682cea3847df4c4680d58485b1c9a54b7b4633e394c1252ad2e7c4520"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07534",
    "kind": "arxiv",
    "version": 2
  }
}