Pith Number

pith:2WS64ZNW

pith:2021:2WS64ZNWZ47AQNHIF4O7MD2QFV

not attested not anchored not stored refs pending

Constraints on bimetric gravity from Big Bang nucleosynthesis

Edvard M\"ortsell, Marcus H\"og{\aa}s

arxiv:2106.09030 v2 · 2021-06-16 · astro-ph.CO · gr-qc · 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{2WS64ZNWZ47AQNHIF4O7MD2QFV}

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

2 papers in Pith

Gravitational wave propagation in bigravity in the late universe

Topological charge and black hole photon spheres in massive gravity

Receipt and verification

First computed	2026-07-05T03:28:37.989902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5a5ee65b6cf3e0834e82f1df60f502d65a2e6500a0c6a551b3303115c0d001e

Aliases

arxiv: 2106.09030 · arxiv_version: 2106.09030v2 · doi: 10.48550/arxiv.2106.09030 · pith_short_12: 2WS64ZNWZ47A · pith_short_16: 2WS64ZNWZ47AQNHI · pith_short_8: 2WS64ZNW

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/2WS64ZNWZ47AQNHIF4O7MD2QFV \
  | 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: d5a5ee65b6cf3e0834e82f1df60f502d65a2e6500a0c6a551b3303115c0d001e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ada972a9fb6b72761921d054a25e8d9a7e7105667e247f0191589f6cd011789a",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-06-16T18:00:00Z",
    "title_canon_sha256": "5b1e9d314ecf70412ff33c9d4ebadd761733948509c7da3bea798dca5f7175cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09030",
    "kind": "arxiv",
    "version": 2
  }
}