Pith Number

pith:KSPPOEAL

pith:2014:KSPPOEALFQGTLFUEHVSKNAGKQV

not attested not anchored not stored refs pending

Appearance of Boulware-Deser ghost in bigravity with doubly coupled matter

Antonio De Felice, Takahiro Tanaka, Yasuho Yamashita

arxiv:1408.0487 v2 · 2014-08-03 · 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{KSPPOEALFQGTLFUEHVSKNAGKQV}

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.

Cited by

1 paper in Pith

Gravitational wave propagation in bigravity in the late universe

Receipt and verification

First computed	2026-05-18T01:42:25.963354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

549ef7100b2c0d3596843d64a680ca85526f19ff31b705ac39157a2645ba2951

Aliases

arxiv: 1408.0487 · arxiv_version: 1408.0487v2 · doi: 10.48550/arxiv.1408.0487 · pith_short_12: KSPPOEALFQGT · pith_short_16: KSPPOEALFQGTLFUE · pith_short_8: KSPPOEAL

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/KSPPOEALFQGTLFUEHVSKNAGKQV \
  | 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: 549ef7100b2c0d3596843d64a680ca85526f19ff31b705ac39157a2645ba2951

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3db31ed6d87159a1b83e340b6c4b4c082073c10135d54b1d49856d6616ce3b6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-08-03T11:34:53Z",
    "title_canon_sha256": "966b44957950b2ec56f6066dcb8a7dd874a9914e5af5f27a48b68d2c8c51312c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0487",
    "kind": "arxiv",
    "version": 2
  }
}