Pith Number

pith:645PVDSO

pith:2015:645PVDSOQ667XIBFPB7GO3O3Q3

not attested not anchored not stored refs pending

Consistent metric combinations in cosmology of massive bigravity

Henrik Nersisyan, Luca Amendola, Yashar Akrami

arxiv:1502.03988 v3 · 2015-02-13 · gr-qc · astro-ph.CO · 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{645PVDSOQ667XIBFPB7GO3O3Q3}

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	2026-05-18T01:26:50.405884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f73afa8e4e87bdfba025787e676ddb86f77c64bdd6c4715393a4007ea7b5a864

Aliases

arxiv: 1502.03988 · arxiv_version: 1502.03988v3 · doi: 10.48550/arxiv.1502.03988 · pith_short_12: 645PVDSOQ667 · pith_short_16: 645PVDSOQ667XIBF · pith_short_8: 645PVDSO

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/645PVDSOQ667XIBFPB7GO3O3Q3 \
  | 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: f73afa8e4e87bdfba025787e676ddb86f77c64bdd6c4715393a4007ea7b5a864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f584c663a9fe20d6419de2f247a07d4966b1f685b0d6b98200d875d1ec003d7a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-13T13:50:28Z",
    "title_canon_sha256": "168d953c9cb231ae96cb95d2090bee6eccce99ab8a8577f938eeb025b4647941"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03988",
    "kind": "arxiv",
    "version": 3
  }
}