Pith Number

pith:EF33BXQR

pith:2012:EF33BXQR3T75VKEUDN6ZHFWGQG

not attested not anchored not stored refs pending

Cosmology and perturbations in massive gravity

Guido D'Amico

arxiv:1206.3617 v2 · 2012-06-16 · 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{EF33BXQR3T75VKEUDN6ZHFWGQG}

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

To the Problem of Cosmic Expansion in Massive Gravity

Receipt and verification

First computed	2026-05-18T03:35:02.010654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2177b0de11dcffdaa8941b7d9396c681ac7ccc1be61df1f514b40cd7ee388709

Aliases

arxiv: 1206.3617 · arxiv_version: 1206.3617v2 · doi: 10.48550/arxiv.1206.3617 · pith_short_12: EF33BXQR3T75 · pith_short_16: EF33BXQR3T75VKEU · pith_short_8: EF33BXQR

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/EF33BXQR3T75VKEUDN6ZHFWGQG \
  | 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: 2177b0de11dcffdaa8941b7d9396c681ac7ccc1be61df1f514b40cd7ee388709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a2b983dfac0ab01ba94131c839ca21816169c22608870637a89403d810cd552",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-06-16T00:37:18Z",
    "title_canon_sha256": "2d1088362252caa006d31a68d385968d891c1e8dc159263eb75fa692e75ec4d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3617",
    "kind": "arxiv",
    "version": 2
  }
}