Pith Number

pith:CHQIJBRA

pith:2005:CHQIJBRAQIJHDCKUPHOMPI4WC7

not attested not anchored not stored refs pending

Spectroscopic Redshifts to z > 2 for Optically Obscured Sources Discovered with the Spitzer Space Telescope

A. Dey, B. R. Brandl, B. T. Jannuzi, B. T. Soifer, D. Weedman, E. Le Floc'h, H. I. Tepliitz, J. L. Higdon, J. R. Houck, L. Armus, M. J. I. Brown, M. Rieke, S. J. U. Higdon, T. Herter, V. Charmandaris

arxiv:astro-ph/0502216 v1 · 2005-02-10 · 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{CHQIJBRAQIJHDCKUPHOMPI4WC7}

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	2026-07-04T16:50:48.249993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11e0848620821271895479dcc7a39617f42d4cf17b086c39191f40b60b42c600

Aliases

arxiv: astro-ph/0502216 · arxiv_version: astro-ph/0502216v1 · doi: 10.48550/arxiv.astro-ph/0502216 · pith_short_12: CHQIJBRAQIJH · pith_short_16: CHQIJBRAQIJHDCKU · pith_short_8: CHQIJBRA

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/CHQIJBRAQIJHDCKUPHOMPI4WC7 \
  | 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: 11e0848620821271895479dcc7a39617f42d4cf17b086c39191f40b60b42c600

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db94e7ff95d11b50547a162bc733d9b845e975b1cd3ba7abf9ac4022e144793e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-10T15:27:52Z",
    "title_canon_sha256": "d97b3bd983f090b504b74fca687575719328335a4df2ffdd2cf3ccd08168f538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502216",
    "kind": "arxiv",
    "version": 1
  }
}