Pith Number

pith:7OFRJEBO

pith:2019:7OFRJEBOT5CJ2HNMCDJRO2B3ZY

not attested not anchored not stored refs pending

Thermodynamics and stability of $f(T,B)$ gravity with viscous fluid by observational constraints

Alireza Amani, A. Pourbagher

arxiv:1908.11595 v1 · 2019-08-30 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OFRJEBOT5CJ2HNMCDJRO2B3ZY}

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	2026-07-05T00:00:37.986511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb8b14902e9f449d1dac10d317683bce3dc07b9eae820f451ba30ec02763b5a2

Aliases

arxiv: 1908.11595 · arxiv_version: 1908.11595v1 · doi: 10.48550/arxiv.1908.11595 · pith_short_12: 7OFRJEBOT5CJ · pith_short_16: 7OFRJEBOT5CJ2HNM · pith_short_8: 7OFRJEBO

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/7OFRJEBOT5CJ2HNMCDJRO2B3ZY \
  | 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: fb8b14902e9f449d1dac10d317683bce3dc07b9eae820f451ba30ec02763b5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38e93bf302d3e075408e52aee4475e484c9921a6f19f9a0ed38f40106f925e6e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-30T08:53:54Z",
    "title_canon_sha256": "ee83dc5e17ac7ab6facf8d1886b62d0c162e690298658d3a4f5217cd688c59a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11595",
    "kind": "arxiv",
    "version": 1
  }
}