Pith Number

pith:7DOZS4U7

pith:1995:7DOZS4U7SFB2YTREPATPBIAVND

not attested not anchored not stored refs pending

HST Observations of Giant Arcs: High Resolution Imaging Of Distant Field Galaxies.

Alan Dressler, Ian Smail, Jean-Paul Kneib, Ray M. Sharples & Augustus Oemler Jr., Richard S. Ellis, Warrick J. Couch

arxiv:astro-ph/9503063 v1 · 1995-03-15 · 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{7DOZS4U7SFB2YTREPATPBIAVND}

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	2026-05-18T01:07:41.725264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8dd99729f9143ac4e247826f0a01568ec7da5686332e3b3b0ea28bacf904af7

Aliases

arxiv: astro-ph/9503063 · arxiv_version: astro-ph/9503063v1 · doi: 10.48550/arxiv.astro-ph/9503063 · pith_short_12: 7DOZS4U7SFB2 · pith_short_16: 7DOZS4U7SFB2YTRE · pith_short_8: 7DOZS4U7

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/7DOZS4U7SFB2YTREPATPBIAVND \
  | 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: f8dd99729f9143ac4e247826f0a01568ec7da5686332e3b3b0ea28bacf904af7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a055631452e8e718a080aeaf50214503488ac38dfd3adf6fcb6a7d3af54036b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-03-15T22:49:44Z",
    "title_canon_sha256": "bcd6fe405ef6f595cf5f4a8e8dc3f38183b3f32bdd23cc0665128aae87034e79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9503063",
    "kind": "arxiv",
    "version": 1
  }
}