Pith Number

pith:QMLXDH5B

pith:2021:QMLXDH5BXYWTCRXSN2IM7YOUQI

not attested not anchored not stored refs pending

Cosmic acceleration with bulk viscosity in modified $f(Q)$ gravity

Abhishek Parida, P.K. Sahoo, Raja Solanki, S. K. J. Pacif

arxiv:2105.00876 v1 · 2021-04-30 · 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{QMLXDH5BXYWTCRXSN2IM7YOUQI}

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	2026-07-05T04:41:09.621273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8317719fa1be2d3146f26e90cfe1d4823c5209caee703b54b672b7984a8c11cb

Aliases

arxiv: 2105.00876 · arxiv_version: 2105.00876v1 · doi: 10.48550/arxiv.2105.00876 · pith_short_12: QMLXDH5BXYWT · pith_short_16: QMLXDH5BXYWTCRXS · pith_short_8: QMLXDH5B

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/QMLXDH5BXYWTCRXSN2IM7YOUQI \
  | 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: 8317719fa1be2d3146f26e90cfe1d4823c5209caee703b54b672b7984a8c11cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0f34bf209e0a01321be4d0566684ac449e8816d59d8f2133c91b28434344885",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-30T05:24:01Z",
    "title_canon_sha256": "1fc738e736e6bc15292a4f1b5cfc681fe6256a70b393bdc92c3716eda406d463"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00876",
    "kind": "arxiv",
    "version": 1
  }
}