Pith Number

pith:4RLIMVIZ

pith:2008:4RLIMVIZXJNQRVBLHYGJTCHNCE

not attested not anchored not stored refs pending

Automated detection of galaxy-scale gravitational lenses in high resolution imaging data

Christopher D. Fassnacht, David W. Hogg, Leonidas A. Moustakas, Marusa Bradac, Philip J. Marshall, Roger D. Blandford, Tim Schrabback

arxiv:0805.1469 v1 · 2008-05-10 · 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{4RLIMVIZXJNQRVBLHYGJTCHNCE}

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	2026-05-18T04:29:33.665694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e456865519ba5b08d42b3e0c9988ed111fe2d10b9d69ea4cdb4dfcea636fd3a0

Aliases

arxiv: 0805.1469 · arxiv_version: 0805.1469v1 · doi: 10.48550/arxiv.0805.1469 · pith_short_12: 4RLIMVIZXJNQ · pith_short_16: 4RLIMVIZXJNQRVBL · pith_short_8: 4RLIMVIZ

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/4RLIMVIZXJNQRVBLHYGJTCHNCE \
  | 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: e456865519ba5b08d42b3e0c9988ed111fe2d10b9d69ea4cdb4dfcea636fd3a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b78a0acfdce8cd9ff6445e6b265b14a1eea64144d41c057fbd8769010564dd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-10T11:41:53Z",
    "title_canon_sha256": "d6e8f23f2ea1a7104d7c87834c482bb77ebc9819bea9e40274af98d9e1830c92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1469",
    "kind": "arxiv",
    "version": 1
  }
}