Pith Number

pith:F5GQRMO7

pith:1998:F5GQRMO7VRF7APTCA6BKHVNK5G

not attested not anchored not stored refs pending

HST Imaging Polarimetry of the Gravitational Lens FSC10214+4724

B. T. Soifer, David W. Hogg, G. Neugebauer, Hien T. Nguyen, Lee Armus, Michael W. Werner, Peter R. Eisenhardt, Robert Goodrich

arxiv:astro-ph/9810370 v1 · 1998-10-22 · astro-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{F5GQRMO7VRF7APTCA6BKHVNK5G}

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	2026-07-04T16:07:08.021841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f4d08b1dfac4bf03e620782a3d5aae99c5a8288279025630cf30c97bebc450f

Aliases

arxiv: astro-ph/9810370 · arxiv_version: astro-ph/9810370v1 · doi: 10.48550/arxiv.astro-ph/9810370 · pith_short_12: F5GQRMO7VRF7 · pith_short_16: F5GQRMO7VRF7APTC · pith_short_8: F5GQRMO7

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/F5GQRMO7VRF7APTCA6BKHVNK5G \
  | 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: 2f4d08b1dfac4bf03e620782a3d5aae99c5a8288279025630cf30c97bebc450f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f24d394eda58a7cd97404e956e70856a1bc6a452972007927722dc3855d03e33",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-22T19:18:40Z",
    "title_canon_sha256": "8e6f493599541507f8da8d3cd4be62f57efaf549f1539080cd478a13f6514fc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810370",
    "kind": "arxiv",
    "version": 1
  }
}