Pith Number

pith:L6EYUT52

pith:2018:L6EYUT52X7W3JWE5AS3W4ROE35

not attested not anchored not stored refs pending

Modified gravity, gravitational waves and the large-scale structure of the Universe: A brief report

Ignacy Sawicki, Ippocratis D. Saltas, Luca Amendola, Martin Kunz

arxiv:1812.03969 v1 · 2018-12-10 · 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{L6EYUT52X7W3JWE5AS3W4ROE35}

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	2026-05-17T23:58:43.453186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f898a4fbabfedb4d89d04b76e45c4df50dab6257710c8def4de95cb7eac8f15

Aliases

arxiv: 1812.03969 · arxiv_version: 1812.03969v1 · doi: 10.48550/arxiv.1812.03969 · pith_short_12: L6EYUT52X7W3 · pith_short_16: L6EYUT52X7W3JWE5 · pith_short_8: L6EYUT52

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/L6EYUT52X7W3JWE5AS3W4ROE35 \
  | 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: 5f898a4fbabfedb4d89d04b76e45c4df50dab6257710c8def4de95cb7eac8f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0535cae8b42db041d9638075b62f2109f6bb4699f756916268786d1b71f116a",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-12-10T18:36:27Z",
    "title_canon_sha256": "cec07a964d14b11f1e240c5cc6b12dfd9d658ce253d72c0e025f910fec33cad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03969",
    "kind": "arxiv",
    "version": 1
  }
}