Pith Number

pith:BCBJL453

pith:2000:BCBJL453NK2HO44LDQZEWG2ZB3

not attested not anchored not stored refs pending

CLASS B0739+366: A new two-image gravitational lens system

A.C.S. Readhead, A.G. de Bruyn, C.D. Fassnacht, D.R. Marlow, D. Rusin, I.W.A. Browne, L.V.E. Koopmans, M. Norbury, N. Jackson, P.N. Wilkinson, R.D. Blandford, S.T. Myers, T.J. Pearson

arxiv:astro-ph/0008037 v1 · 2000-08-02 · 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{BCBJL453NK2HO44LDQZEWG2ZB3}

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

1 paper in Pith

Taking Inventory of the Most Promising Lensed Radio Sources for Constraining Fundamental Properties of Dark Matter

Receipt and verification

First computed	2026-07-04T16:16:59.257697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

088295f3bb6ab477738b1c324b1b590ef26a2627772be57f4773b3eba4e03081

Aliases

arxiv: astro-ph/0008037 · arxiv_version: astro-ph/0008037v1 · doi: 10.48550/arxiv.astro-ph/0008037 · pith_short_12: BCBJL453NK2H · pith_short_16: BCBJL453NK2HO44L · pith_short_8: BCBJL453

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/BCBJL453NK2HO44LDQZEWG2ZB3 \
  | 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: 088295f3bb6ab477738b1c324b1b590ef26a2627772be57f4773b3eba4e03081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4307b02e6147deaa1fb232b4aab29d4205e95e1340163b64ec99c4286ec0547",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-02T22:46:01Z",
    "title_canon_sha256": "99512a19388c553470fe2307b63783b849318dab6c7ce75c3c64fb47bf791a8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008037",
    "kind": "arxiv",
    "version": 1
  }
}