Pith Number

pith:I25LCSHP

pith:2014:I25LCSHPALWQ7J6JKQYW5TUINA

not attested not anchored not stored refs pending

Friedmann model with viscous cosmology in modified $f(R,T)$ gravity theory

C.P. Singh, Pankaj Kumar

arxiv:1406.4258 v2 · 2014-06-17 · 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{I25LCSHPALWQ7J6JKQYW5TUINA}

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	2026-05-18T02:26:02.670824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46bab148ef02ed0fa7c954316ece8868273092fb72bbac39082f7616aeb88628

Aliases

arxiv: 1406.4258 · arxiv_version: 1406.4258v2 · doi: 10.48550/arxiv.1406.4258 · pith_short_12: I25LCSHPALWQ · pith_short_16: I25LCSHPALWQ7J6J · pith_short_8: I25LCSHP

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/I25LCSHPALWQ7J6JKQYW5TUINA \
  | 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: 46bab148ef02ed0fa7c954316ece8868273092fb72bbac39082f7616aeb88628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b66993d2d1ad5789fece8dd280591e0d3aef1d176bab2c6739db942e983da1d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-06-17T07:08:51Z",
    "title_canon_sha256": "722a40034a57b6985f405732b4c94bf3857002dcf0c90a8fca4210dc646d3ea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4258",
    "kind": "arxiv",
    "version": 2
  }
}