Pith Number

pith:UOBFP2G5

pith:2021:UOBFP2G54M5CKV7UJSQBJSDYFF

not attested not anchored not stored refs pending

Constraints on Energy Conditions in $f(R,L_m)$ Gravity

Lakhan V. Jaybhaye, P.K. Sahoo, Sanjay Mandal

arxiv:2111.03314 v4 · 2021-11-05 · 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{UOBFP2G54M5CKV7UJSQBJSDYFF}

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	2026-07-05T04:08:04.200772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a38257e8dde33a2557f44ca014c878295a003c3b569b3845b1471f1048607b11

Aliases

arxiv: 2111.03314 · arxiv_version: 2111.03314v4 · doi: 10.48550/arxiv.2111.03314 · pith_short_12: UOBFP2G54M5C · pith_short_16: UOBFP2G54M5CKV7U · pith_short_8: UOBFP2G5

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/UOBFP2G54M5CKV7UJSQBJSDYFF \
  | 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: a38257e8dde33a2557f44ca014c878295a003c3b569b3845b1471f1048607b11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51a3755782f45752045738aabe814918cf5b1355913c2dad71e233c460ab2f10",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-05T08:22:51Z",
    "title_canon_sha256": "c4be1f5441f91c824d2175774d920c51dab3e8c94ce4a7f079fefd8c83b4dc9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03314",
    "kind": "arxiv",
    "version": 4
  }
}