Pith Number

pith:6E7S2ZA3

pith:2006:6E7S2ZA3PQ647BINQI5C6SOQK5

not attested not anchored not stored refs pending

High resolution imaging of the anomalous flux-ratio gravitational lens system CLASS B2045+265: Dark or luminous satellites?

2), (2) MPIfR, (3) Kapteyn Institute, 4), (4) Bemidji State, (5) Caltech Optical Observatories, (6) KIPAC, (7) Caltech Astronomy), A. C. S. Readhead (7), B. T. Soifer (5) ((1) UC Davis, C. D. Fassnacht (1), C. E. Flack (1, D. Thompson (5), J. P. McKean (1, K. Matthews (5), L. V. E. Koopmans (3), R. D. Blandford (6)

arxiv:astro-ph/0611215 v2 · 2006-11-07 · 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{6E7S2ZA3PQ647BINQI5C6SOQK5}

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	2026-07-04T15:21:48.813887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f13f2d641b7c3dcf850d823a2f49d0576fbd5a175314becddbc5cca9ff190fab

Aliases

arxiv: astro-ph/0611215 · arxiv_version: astro-ph/0611215v2 · doi: 10.48550/arxiv.astro-ph/0611215 · pith_short_12: 6E7S2ZA3PQ64 · pith_short_16: 6E7S2ZA3PQ647BIN · pith_short_8: 6E7S2ZA3

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/6E7S2ZA3PQ647BINQI5C6SOQK5 \
  | 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: f13f2d641b7c3dcf850d823a2f49d0576fbd5a175314becddbc5cca9ff190fab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1448039334047e16ca0a29b9bb075f30dfd46d584b85fbd9daa5520d7e1634c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-07T14:22:33Z",
    "title_canon_sha256": "519b1e664cd5d78fae9c81ff2ab2a963a5c32f2a8f5a81b551a0c89c378583ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611215",
    "kind": "arxiv",
    "version": 2
  }
}