Pith Number

pith:O6USQICD

pith:2019:O6USQICD7AIHFXXQZEPVQEORQY

not attested not anchored not stored refs pending

Tests of Gravity with Galaxy Clusters

David Rapetti, Matteo Cataneo

arxiv:1902.10124 v1 · 2019-02-26 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6USQICD7AIHFXXQZEPVQEORQY}

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	2026-05-17T23:52:34.646856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77a9282043f81072def0c91f5811d1862c947b0727c6f365442fa7b45f1496d9

Aliases

arxiv: 1902.10124 · arxiv_version: 1902.10124v1 · doi: 10.48550/arxiv.1902.10124 · pith_short_12: O6USQICD7AIH · pith_short_16: O6USQICD7AIHFXXQ · pith_short_8: O6USQICD

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/O6USQICD7AIHFXXQZEPVQEORQY \
  | 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: 77a9282043f81072def0c91f5811d1862c947b0727c6f365442fa7b45f1496d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c8e9f6cd8f0edad1992d03dbe41d01383601a816beec0ea97566d4c3a78cdc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-02-26T18:59:45Z",
    "title_canon_sha256": "cb9db2473a7a4b204f80b48b425290f8d5f7ce756b4c950b4b92d2bcd5442fe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10124",
    "kind": "arxiv",
    "version": 1
  }
}