Pith Number

pith:U467MJSA

pith:2006:U467MJSAY54I2QCT77CMQXJCWZ

not attested not anchored not stored refs pending

Chandra Observations of the Highest Redshift Quasars from the Sloan Digital Sky Survey

(2) U. Arizona, (3) Princeton U., (4) U. Washington, (5) APO), Aleksandar M. Diamond-Stanic (2), Donald P. Schneider (1), Gordon T. Richards (3), James E. Gunn (3), Jon Brinkmann (5) ((1) PSU, Michael A. Strauss (3), Ohad Shemmer (1), Scott F. Anderson (4), W.N. Brandt (1), Xiaohui Fan (2)

arxiv:astro-ph/0602442 v1 · 2006-02-20 · 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{U467MJSAY54I2QCT77CMQXJCWZ}

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	2026-07-04T16:58:01.326866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a73df62640c7788d4053ffc4c85d22b64b86b80093c09756407b0eaff416f43a

Aliases

arxiv: astro-ph/0602442 · arxiv_version: astro-ph/0602442v1 · doi: 10.48550/arxiv.astro-ph/0602442 · pith_short_12: U467MJSAY54I · pith_short_16: U467MJSAY54I2QCT · pith_short_8: U467MJSA

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/U467MJSAY54I2QCT77CMQXJCWZ \
  | 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: a73df62640c7788d4053ffc4c85d22b64b86b80093c09756407b0eaff416f43a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6bfaa73737a76cf36f6acf72dfeceed1ef621118a60fcf17e950dc654386794",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-20T21:03:08Z",
    "title_canon_sha256": "b7d47053ec923b7ff996639443fbc395c4a3572d2e72e541967bc2432f616bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602442",
    "kind": "arxiv",
    "version": 1
  }
}