Pith Number

pith:BGW2D7JX

pith:2000:BGW2D7JXL2WGBXH2SKJZ2ETFC5

not attested not anchored not stored refs pending

RX J0911+05: A Massive Cluster Lens at z=0.769

Jean-Paul Kneib (OMP), Jens Hjorth (Univ. of Copenhagen), Judith G. Cohen (Caltech)

arxiv:astro-ph/0006106 v1 · 2000-06-08 · 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{BGW2D7JXL2WGBXH2SKJZ2ETFC5}

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	2026-07-04T14:10:25.474607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09ada1fd375eac60dcfa92939d1265177a1d202e8983157eaa2a63f9cb96d4b0

Aliases

arxiv: astro-ph/0006106 · arxiv_version: astro-ph/0006106v1 · doi: 10.48550/arxiv.astro-ph/0006106 · pith_short_12: BGW2D7JXL2WG · pith_short_16: BGW2D7JXL2WGBXH2 · pith_short_8: BGW2D7JX

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/BGW2D7JXL2WGBXH2SKJZ2ETFC5 \
  | 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: 09ada1fd375eac60dcfa92939d1265177a1d202e8983157eaa2a63f9cb96d4b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c86f90d1ee856a493150dce8c93c894859b2f6e4856f2a91f6d40b5e819ce789",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-08T08:11:33Z",
    "title_canon_sha256": "9bf84d94654686ae411c169ccdb3eadd2be36c6c096d4ef5b8ff9727cfe04537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006106",
    "kind": "arxiv",
    "version": 1
  }
}