Pith Number

pith:6YYWSHLB

pith:2006:6YYWSHLBGIAX3OWU6UWJESEZYM

not attested not anchored not stored refs pending

The 8 o'clock Arc: A Serendipitous Discovery of a Strongly Lensed Lyman Break Galaxy in the SDSS DR4 Imaging Data

Douglas L. Tucker, Elizabeth J. Buckley-Geer, H. Thomas Diehl, Huan Lin, James Annis, Joshua A. Frieman, Sahar S. Allam

arxiv:astro-ph/0611138 v1 · 2006-11-04 · 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{6YYWSHLBGIAX3OWU6UWJESEZYM}

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	2026-05-18T04:36:20.773892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f631691d6132017dbad4f52c924899c30050c4e4a82231944415a2c67e2ad878

Aliases

arxiv: astro-ph/0611138 · arxiv_version: astro-ph/0611138v1 · doi: 10.48550/arxiv.astro-ph/0611138 · pith_short_12: 6YYWSHLBGIAX · pith_short_16: 6YYWSHLBGIAX3OWU · pith_short_8: 6YYWSHLB

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/6YYWSHLBGIAX3OWU6UWJESEZYM \
  | 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: f631691d6132017dbad4f52c924899c30050c4e4a82231944415a2c67e2ad878

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfd24d09a0558aa34d450098ec950e55f3b02718b72c0d927ab0dcf3b65c99b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-04T02:36:16Z",
    "title_canon_sha256": "900126f10194e049a5101b7dcdfbbb2f16473d59442fdcd69ae3a3ae6af2bffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611138",
    "kind": "arxiv",
    "version": 1
  }
}