Pith Number

pith:LLR3WLP5

pith:2013:LLR3WLP52DBWNZ6L2DWBDJI2TN

not attested not anchored not stored refs pending

Bimetric gravity doubly coupled to matter: theory and cosmological implications

David F. Mota, Marit Sandstad (Inst. Theor. Astrophys., Oslo U.), Tomi S. Koivisto, Yashar Akrami

arxiv:1306.0004 v2 · 2013-05-31 · hep-th · astro-ph.CO · 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{LLR3WLP52DBWNZ6L2DWBDJI2TN}

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	2026-05-18T03:09:12.311797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ae3bb2dfdd0c366e7cbd0ec11a51a9b4588165b87dfeaae3bfa60d448a7eb18

Aliases

arxiv: 1306.0004 · arxiv_version: 1306.0004v2 · doi: 10.48550/arxiv.1306.0004 · pith_short_12: LLR3WLP52DBW · pith_short_16: LLR3WLP52DBWNZ6L · pith_short_8: LLR3WLP5

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/LLR3WLP52DBWNZ6L2DWBDJI2TN \
  | 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: 5ae3bb2dfdd0c366e7cbd0ec11a51a9b4588165b87dfeaae3bfa60d448a7eb18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c950ce29a616f3c176d916dcc6ab0cc2168a1e1a4c1a1f43a4403854f179ccf4",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-05-31T20:00:01Z",
    "title_canon_sha256": "b5b6a20f45353cb56233a0a6c12c3311bb0ac23f51c56242e60faf64e08ad66a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0004",
    "kind": "arxiv",
    "version": 2
  }
}