Pith Number

pith:WPD27GOJ

pith:2016:WPD27GOJEBERVUWMPSZWENKRRG

not attested not anchored not stored refs pending

Constraints on decaying early modified gravity from cosmological observations

Lucas Lombriser, Nelson A. Lima, Vanessa Smer-Barreto

arxiv:1603.05239 v2 · 2016-03-16 · 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{WPD27GOJEBERVUWMPSZWENKRRG}

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	2026-05-18T01:02:59.088555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3c7af99c920491ad2cc7cb3623551899297b3eebb07c73cd92de0f39312ddda

Aliases

arxiv: 1603.05239 · arxiv_version: 1603.05239v2 · doi: 10.48550/arxiv.1603.05239 · pith_short_12: WPD27GOJEBER · pith_short_16: WPD27GOJEBERVUWM · pith_short_8: WPD27GOJ

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/WPD27GOJEBERVUWMPSZWENKRRG \
  | 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: b3c7af99c920491ad2cc7cb3623551899297b3eebb07c73cd92de0f39312ddda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8a9da3c735c5a5bda12bd55a6417b350a2fe673fb91426ca1e8c42b9a34d439",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-03-16T19:51:32Z",
    "title_canon_sha256": "99389075986ce7b7c99ce997a80406005413b69de5a8feeca9a5f2830f0c3496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05239",
    "kind": "arxiv",
    "version": 2
  }
}