Pith Number

pith:RI2K3YIV

pith:2018:RI2K3YIVXGU2JEIYSWZFO7XG5U

not attested not anchored not stored refs pending

Modified gravity revealed along geodesic tracks

Ivan de Martino, Mariafelicia De Laurentis, Ruth Lazkoz

arxiv:1811.00046 v1 · 2018-10-31 · gr-qc · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RI2K3YIVXGU2JEIYSWZFO7XG5U}

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	2026-05-18T00:01:06.560726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a34ade115b9a9a4911895b2577ee6ed0039dcb35e5442988721a0ffe736accc

Aliases

arxiv: 1811.00046 · arxiv_version: 1811.00046v1 · doi: 10.48550/arxiv.1811.00046 · pith_short_12: RI2K3YIVXGU2 · pith_short_16: RI2K3YIVXGU2JEIY · pith_short_8: RI2K3YIV

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/RI2K3YIVXGU2JEIYSWZFO7XG5U \
  | 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: 8a34ade115b9a9a4911895b2577ee6ed0039dcb35e5442988721a0ffe736accc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed18b6ad51cfe0c6c48c47deaae70646cf2e90f1f99f08b01b51c925e2da7f67",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-31T18:19:16Z",
    "title_canon_sha256": "1204337aba454504ed9fdb50c0c742f524b5354ebf60159d4d77d65d83b71868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00046",
    "kind": "arxiv",
    "version": 1
  }
}