Pith Number

pith:GEU3TZNI

pith:2013:GEU3TZNIDL4IXBJ3P65FGE74II

not attested not anchored not stored refs pending

Homogeneous spherically symmetric bodies with a nonminimal coupling between curvature and matter: the choice of the Lagrangian density for matter

Jorge P\'aramos, Orfeu Bertolami

arxiv:1306.1177 v2 · 2013-06-05 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEU3TZNIDL4IXBJ3P65FGE74II}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:34:52.675370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3129b9e5a81af88b853b7fba5313fc423ae042475772404310674d007a00de59

Aliases

arxiv: 1306.1177 · arxiv_version: 1306.1177v2 · doi: 10.48550/arxiv.1306.1177 · pith_short_12: GEU3TZNIDL4I · pith_short_16: GEU3TZNIDL4IXBJ3 · pith_short_8: GEU3TZNI

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/GEU3TZNIDL4IXBJ3P65FGE74II \
  | 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: 3129b9e5a81af88b853b7fba5313fc423ae042475772404310674d007a00de59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3fb9df49d668b2f93b9e35f13124bdcf3776012d91a45a8ff4a8dac1e8249ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-05T17:15:43Z",
    "title_canon_sha256": "244acabceaf5c10aa49194c8d1ed7fb70e52c44879ff5485524804ff740658f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1177",
    "kind": "arxiv",
    "version": 2
  }
}