Pith Number

pith:4QZCMMQM

pith:2006:4QZCMMQMMTOAXXBPH3OGMSWRD5

not attested not anchored not stored refs pending

The near-IR shape of the big blue bump emission from quasars: under the hot dust emission

2), (2) SUPA, (3) University of California, IfA, Makoto Kishimoto (1, Omer Blaes (3) ((1) Max-Planck-Institut fuer Radioastronomie, Robert Antonucci (3), Santa Barbara), University of Edinburgh

arxiv:astro-ph/0612579 v1 · 2006-12-20 · 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{4QZCMMQMMTOAXXBPH3OGMSWRD5}

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	2026-07-04T14:58:40.278711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43226320c64dc0bdc2f3edc664ad11f62e7646dc50faf153546a5c65a1e0df3

Aliases

arxiv: astro-ph/0612579 · arxiv_version: astro-ph/0612579v1 · doi: 10.48550/arxiv.astro-ph/0612579 · pith_short_12: 4QZCMMQMMTOA · pith_short_16: 4QZCMMQMMTOAXXBP · pith_short_8: 4QZCMMQM

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/4QZCMMQMMTOAXXBPH3OGMSWRD5 \
  | 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: e43226320c64dc0bdc2f3edc664ad11f62e7646dc50faf153546a5c65a1e0df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e4cc67b5a4bbfe750c42f8b8d7149d4339bcb81dc45bffa8da90e439c310f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-20T10:27:55Z",
    "title_canon_sha256": "7c3906dafaa1304a2d60eb504070f1c3f1d14af565cf1344ea484f6afcfa266f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612579",
    "kind": "arxiv",
    "version": 1
  }
}