Pith Number

pith:S2HU7WYD

pith:2018:S2HU7WYDUJ5TGPD62VFTVXGXEA

not attested not anchored not stored refs pending

Early Universe with modified scalar-tensor theory of gravity

Abhik Kumar Sanyal, Chandramouli Sarkar, Ranajit Mandal

arxiv:1801.04056 v2 · 2018-01-12 · hep-th · 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{S2HU7WYDUJ5TGPD62VFTVXGXEA}

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.

Cited by

1 paper in Pith

The role of cosmological constant in f(R, G) gravity

Receipt and verification

First computed	2026-05-18T00:15:36.835153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

968f4fdb03a27b333c7ed54b3adcd72005aa0e6cbba0d3a75e4d561ff2b7b0f9

Aliases

arxiv: 1801.04056 · arxiv_version: 1801.04056v2 · doi: 10.48550/arxiv.1801.04056 · pith_short_12: S2HU7WYDUJ5T · pith_short_16: S2HU7WYDUJ5TGPD6 · pith_short_8: S2HU7WYD

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/S2HU7WYDUJ5TGPD62VFTVXGXEA \
  | 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: 968f4fdb03a27b333c7ed54b3adcd72005aa0e6cbba0d3a75e4d561ff2b7b0f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13ccb74f877691c79c360de2517e10def25875c987fd6dc0bbc4ff034486c4ed",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-01-12T05:02:28Z",
    "title_canon_sha256": "74acee0df9dd494543080a72162b5b43067232cf7da34ff53291f5481da6a66a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04056",
    "kind": "arxiv",
    "version": 2
  }
}