Pith Number

pith:NFCOOTXZ

pith:2004:NFCOOTXZAH3QYWQJMPZUJB2KH6

not attested not anchored not stored refs pending

Near Infrared Spectroscopy of High Redshift Active Galactic Nuclei. I. A Metallicity-Accretion Rate Relationship

(2) INAF, (3) CGG & TNG, (4) AAO), E. Corbett (4), E. Oliva (3), H. Netzer (1), L. di Fabrizio (3) ((1) TAU, O. Shemmer (1), R. Maiolino (2), S. Croom (4)

arxiv:astro-ph/0406559 v1 · 2004-06-24 · 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{NFCOOTXZAH3QYWQJMPZUJB2KH6}

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.

Cited by

2 papers in Pith

Primordial Black Holes as Dark Matter: Recent Developments

Finite Hilbert space and maximum mass of Schwarzschild black holes from a Generalized Uncertainty Principle

Receipt and verification

First computed	2026-05-18T04:27:04.460241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6944e74ef901f70c5a0963f344874a3fbecc2f47a3ef54a1f63463c4c3b4578d

Aliases

arxiv: astro-ph/0406559 · arxiv_version: astro-ph/0406559v1 · doi: 10.48550/arxiv.astro-ph/0406559 · pith_short_12: NFCOOTXZAH3Q · pith_short_16: NFCOOTXZAH3QYWQJ · pith_short_8: NFCOOTXZ

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/NFCOOTXZAH3QYWQJMPZUJB2KH6 \
  | 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: 6944e74ef901f70c5a0963f344874a3fbecc2f47a3ef54a1f63463c4c3b4578d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c89e6cf851067420cf92688081dd5477d6c3899d1c2a704346d669853842c47",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-24T20:02:44Z",
    "title_canon_sha256": "1dc8fa944fc45ce11a395a05fcaeb9ba9809434d971cfc9b34d3be6b692f0b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406559",
    "kind": "arxiv",
    "version": 1
  }
}