Pith Number

pith:FA2VF5T3

pith:2008:FA2VF5T3GWWORD7F7YGLGX3JAC

not attested not anchored not stored refs pending

Gravitational radiospectrometer

G. S. Bisnovatyi-Kogan, O. Yu. Tsupko

arxiv:0809.1021 v2 · 2008-09-05 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FA2VF5T3GWWORD7F7YGLGX3JAC}

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

2 papers in Pith

Hadronic lensing

Receipt and verification

First computed	2026-07-04T17:12:35.851780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

283552f67b35ace88fe5fe0cb35f6900acf1b8ee47986d40da33fa8a3392fd4a

Aliases

arxiv: 0809.1021 · arxiv_version: 0809.1021v2 · doi: 10.48550/arxiv.0809.1021 · pith_short_12: FA2VF5T3GWWO · pith_short_16: FA2VF5T3GWWORD7F · pith_short_8: FA2VF5T3

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/FA2VF5T3GWWORD7F7YGLGX3JAC \
  | 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: 283552f67b35ace88fe5fe0cb35f6900acf1b8ee47986d40da33fa8a3392fd4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9044faffddb7a9425a53919062108704da8b110f287b1e7fee7b8061098cfb22",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-05T13:08:11Z",
    "title_canon_sha256": "7b577f559c79bb929764dd8467df46cb70006a8982252d34c0dc2568cc9ee685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1021",
    "kind": "arxiv",
    "version": 2
  }
}