Pith Number

pith:JJQWOQLV

pith:2004:JJQWOQLVSD2AJHUGZVIQLDKRLL

not attested not anchored not stored refs pending

The Surprisingly Steep Mass Profile of Abell 1689, from a Lensing Analysis of Subaru Images

(2)Tohoku Univ., (3)ASIAA, (4)NAOJ), Keiichi Umetsu (3), Masahiro Takada (2), Masashi Chiba (2), Nobuo Arimoto (4), Tom Broadhurst (1), Toshifumi Futamase (2) ((1)Tel Aviv Univ., Xu Kong (4)

arxiv:astro-ph/0412192 v1 · 2004-12-08 · 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{JJQWOQLVSD2AJHUGZVIQLDKRLL}

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	2026-05-18T04:12:02.814374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a6167417590f4049e86cd51058d515ae9f05fae05497ea8a6d6b22a07cc9706

Aliases

arxiv: astro-ph/0412192 · arxiv_version: astro-ph/0412192v1 · doi: 10.48550/arxiv.astro-ph/0412192 · pith_short_12: JJQWOQLVSD2A · pith_short_16: JJQWOQLVSD2AJHUG · pith_short_8: JJQWOQLV

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/JJQWOQLVSD2AJHUGZVIQLDKRLL \
  | 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: 4a6167417590f4049e86cd51058d515ae9f05fae05497ea8a6d6b22a07cc9706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3856768981177a8baa73bac1c32ba643491fb3f905df8bb6fdfea033413b9c5f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-08T21:21:38Z",
    "title_canon_sha256": "781422b38f789a8957cdd7239c3323acb6466673f6523ad8dd08ac81bba573e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412192",
    "kind": "arxiv",
    "version": 1
  }
}