Pith Number

pith:YW4HYKWE

pith:2018:YW4HYKWEZXDYHBG2E3KIMU7QPB

not attested not anchored not stored refs pending

$f(R,T)=f(R)+\lambda T$ gravity models as alternatives to cosmic acceleration

Binaya K. Bishi, Parbati Sahoo, P.H.R.S. Moraes, P.K. Sahoo

arxiv:1809.03303 v1 · 2018-09-05 · 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{YW4HYKWEZXDYHBG2E3KIMU7QPB}

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	2026-05-18T00:05:40.766405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5b87c2ac4cdc78384da26d48653f0786a2676988c2e1a0ae2550e4e194b93ad

Aliases

arxiv: 1809.03303 · arxiv_version: 1809.03303v1 · doi: 10.48550/arxiv.1809.03303 · pith_short_12: YW4HYKWEZXDY · pith_short_16: YW4HYKWEZXDYHBG2 · pith_short_8: YW4HYKWE

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/YW4HYKWEZXDYHBG2E3KIMU7QPB \
  | 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: c5b87c2ac4cdc78384da26d48653f0786a2676988c2e1a0ae2550e4e194b93ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "695e06ac52cb7335d83095be7fc72690f14fe093929e76e2b2563739f8a7a115",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-05T14:09:20Z",
    "title_canon_sha256": "f86c1ca84886cb14c0d5ef025c91365a295c48720ad4f1220147af2ac14a41b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03303",
    "kind": "arxiv",
    "version": 1
  }
}