Pith Number

pith:CBJZOIIT

pith:2015:CBJZOIITID7PYRE373UVBRZST4

not attested not anchored not stored refs pending

Merging matter and geometry in the same Lagrangian

Hendrik Ludwig, Olivier Minazzoli, Salvatore Capozziello

arxiv:1506.03278 v2 · 2015-06-10 · 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{CBJZOIITID7PYRE373UVBRZST4}

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	2026-05-18T01:26:18.265889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

105397211340fefc449bfee950c7329f2f33f7bf31bb0b6a09911250de2062ab

Aliases

arxiv: 1506.03278 · arxiv_version: 1506.03278v2 · doi: 10.48550/arxiv.1506.03278 · pith_short_12: CBJZOIITID7P · pith_short_16: CBJZOIITID7PYRE3 · pith_short_8: CBJZOIIT

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/CBJZOIITID7PYRE373UVBRZST4 \
  | 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: 105397211340fefc449bfee950c7329f2f33f7bf31bb0b6a09911250de2062ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b515d1e38d146512c16d679c37364f45373718e98acf3253497a9c98031bbcd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-06-10T12:36:11Z",
    "title_canon_sha256": "31ad667aa518d9d3f75c80055feb7d3d13b23c4361d082b2deec392b0e8d48fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03278",
    "kind": "arxiv",
    "version": 2
  }
}