Pith Number

pith:RM4245TT

pith:2003:RM4245TTFKQDCVSSAEZ45XTGMV

not attested not anchored not stored refs pending

The near-IR properties and continuum shapes of high redshift quasars from the Sloan Digital Sky Survey

Daniel Harbeck, Donald P. Schneider, Eva K. Grebel, Francisco Prada, Hans W. Rix, Jon Brinkmann, Laura Pentericci, Michael A. Strauss, Vijay K.Narayanan, Xiaohui Fan

arxiv:astro-ph/0308178 v1 · 2003-08-11 · 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{RM4245TTFKQDCVSSAEZ45XTGMV}

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	2026-05-18T01:07:33.386246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b39ae76732aa03156520133cede66656330eba49ac46441122e07d53fdff659

Aliases

arxiv: astro-ph/0308178 · arxiv_version: astro-ph/0308178v1 · doi: 10.48550/arxiv.astro-ph/0308178 · pith_short_12: RM4245TTFKQD · pith_short_16: RM4245TTFKQDCVSS · pith_short_8: RM4245TT

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/RM4245TTFKQDCVSSAEZ45XTGMV \
  | 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: 8b39ae76732aa03156520133cede66656330eba49ac46441122e07d53fdff659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97df7cdef9c734630836fee94db676998e84f9ee7b89d932058cae34bed2c159",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-11T14:52:26Z",
    "title_canon_sha256": "2b2aed7d86399b8bfc6e4f4e0aea10a5b9952c7d0288e7c5dcf5a78b2a0278d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308178",
    "kind": "arxiv",
    "version": 1
  }
}