Pith Number

pith:YJRFYIPG

pith:2017:YJRFYIPGUBRDQAC2UJSP3UF53X

not attested not anchored not stored refs pending

On the canonical structure and extra mode of generalized unimodular gravity

Markku Oksanen, Rodrigo Bufalo

arxiv:1712.09535 v2 · 2017-12-27 · hep-th · 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{YJRFYIPGUBRDQAC2UJSP3UF53X}

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	2026-05-18T00:23:44.980112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2625c21e6a06238005aa264fdd0bdddd093cf9ab01a7c153ce2ef84e5aedecf

Aliases

arxiv: 1712.09535 · arxiv_version: 1712.09535v2 · doi: 10.48550/arxiv.1712.09535 · pith_short_12: YJRFYIPGUBRD · pith_short_16: YJRFYIPGUBRDQAC2 · pith_short_8: YJRFYIPG

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/YJRFYIPGUBRDQAC2UJSP3UF53X \
  | 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: c2625c21e6a06238005aa264fdd0bdddd093cf9ab01a7c153ce2ef84e5aedecf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4660cecffe26b1475c069e244390c352e7398e51ca8c8f65cb0f1b18536c607d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-12-27T09:52:55Z",
    "title_canon_sha256": "a08228c386ddcf3158442d0649d47d148b3bcb09d6d428d3929ca9f9c60df6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09535",
    "kind": "arxiv",
    "version": 2
  }
}