Pith Number

pith:XO6I77UB

pith:2019:XO6I77UBYTY22BFJMTZXQQ3EGY

not attested not anchored not stored refs pending

Constraining f(R,T) Gravity From The Dark Energy Density Parameter $\Omega_{\Lambda}$

P.K. Sahoo, Snehasish Bhattacharjee

arxiv:1908.06759 v4 · 2019-08-16 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XO6I77UBYTY22BFJMTZXQQ3EGY}

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	2026-07-05T01:17:15.877511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbbc8ffe81c4f1ad04a964f3784364362dd1a1b4082c16c23de45fb4ab725353

Aliases

arxiv: 1908.06759 · arxiv_version: 1908.06759v4 · doi: 10.48550/arxiv.1908.06759 · pith_short_12: XO6I77UBYTY2 · pith_short_16: XO6I77UBYTY22BFJ · pith_short_8: XO6I77UB

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/XO6I77UBYTY22BFJMTZXQQ3EGY \
  | 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: bbbc8ffe81c4f1ad04a964f3784364362dd1a1b4082c16c23de45fb4ab725353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "768f51c4b17d4a3f300a16d9795d7b4bf93db3065d2a4e78f33c69a2531713bb",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-16T01:33:57Z",
    "title_canon_sha256": "f389028d88da6f82fb6f9dfcbb9ad83089c04d84ffc829b4004d0509c6b1ab6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06759",
    "kind": "arxiv",
    "version": 4
  }
}