Pith Number

pith:KA6FPZXY

pith:2002:KA6FPZXY3H2MOIQNCQAUQC3VLE

not attested not anchored not stored refs pending

The Post-Newtonian Treatment of the VLBI Experiment on September 8, 2002

Astronomy, Sergei M. Kopeikin (Department of Physics, University of Missouri-Columbia, USA)

arxiv:gr-qc/0212121 v4 · 2002-12-30 · gr-qc · astro-ph · hep-ph · 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{KA6FPZXY3H2MOIQNCQAUQC3VLE}

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.

Cited by

1 paper in Pith

The Confrontation between General Relativity and Experiment

Receipt and verification

First computed	2026-07-04T14:49:02.318240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

503c57e6f8d9f4c7220d1401480b7559240ee5dd640604ff5d1b618f480fa7da

Aliases

arxiv: gr-qc/0212121 · arxiv_version: gr-qc/0212121v4 · doi: 10.48550/arxiv.gr-qc/0212121 · pith_short_12: KA6FPZXY3H2M · pith_short_16: KA6FPZXY3H2MOIQN · pith_short_8: KA6FPZXY

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/KA6FPZXY3H2MOIQNCQAUQC3VLE \
  | 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: 503c57e6f8d9f4c7220d1401480b7559240ee5dd640604ff5d1b618f480fa7da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23fe223f91ad5a478f43abdb8be51e470118e43afa64f3aed691cc2ff3a5c3ba",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-12-30T03:01:05Z",
    "title_canon_sha256": "a63fb1240a3db689a6dd06b4a8db7031e5433f2f213f5a8739bffe7203e1166f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0212121",
    "kind": "arxiv",
    "version": 4
  }
}