Pith Number

pith:R75JR3ZI

pith:2022:R75JR3ZIO37P4CTJPOXMIYFNLS

not attested not anchored not stored refs pending

Direct Estimate of the Post-Newtonian Parameter and Cosmic Curvature from Galaxy-scale Strong Gravitational Lensing

Jun-Jie Wei, Shuo Cao, Xue-Feng Wu, Yun Chen

arxiv:2202.07860 v2 · 2022-02-16 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R75JR3ZIO37P4CTJPOXMIYFNLS}

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	2026-07-05T04:01:11.515446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ffa98ef2876fefe0a697baec460ad5cb9cbbf57d3d38b2eeae55c4460446853

Aliases

arxiv: 2202.07860 · arxiv_version: 2202.07860v2 · doi: 10.48550/arxiv.2202.07860 · pith_short_12: R75JR3ZIO37P · pith_short_16: R75JR3ZIO37P4CTJ · pith_short_8: R75JR3ZI

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/R75JR3ZIO37P4CTJPOXMIYFNLS \
  | 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: 8ffa98ef2876fefe0a697baec460ad5cb9cbbf57d3d38b2eeae55c4460446853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9eec02bb95d04ac7f792ff2b7d28f945d3356b9034f748b394fda8101d2ee5e",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-02-16T05:02:33Z",
    "title_canon_sha256": "bdbb9df8cea4e0ec1f43231a82d8ba75d1dbc54b83b31a6405218e7e7fda48f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07860",
    "kind": "arxiv",
    "version": 2
  }
}