Pith Number

pith:FIKJUUIW

pith:2004:FIKJUUIWLKSZCPFE4ZNLFKG7IY

not attested not anchored not stored refs pending

Modeling the Counts of Faint Radio Loud Quasars: Constraints on the Supermassive Black Hole Population and Predictions for High Redshift

Eliot Quataert (UC Berkeley), Geoffrey C. Bower (UC Berkeley), Zoltan Haiman (Columbia)

arxiv:astro-ph/0403104 v1 · 2004-03-03 · 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{FIKJUUIWLKSZCPFE4ZNLFKG7IY}

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

1 paper in Pith

Prospects for measuring neutrino mass with 21-cm forest

Receipt and verification

First computed	2026-07-04T16:43:09.899916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a149a51165aa5913ca4e65ab2a8df461bd86b5de0dee886e3d034adf15b0c29

Aliases

arxiv: astro-ph/0403104 · arxiv_version: astro-ph/0403104v1 · doi: 10.48550/arxiv.astro-ph/0403104 · pith_short_12: FIKJUUIWLKSZ · pith_short_16: FIKJUUIWLKSZCPFE · pith_short_8: FIKJUUIW

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/FIKJUUIWLKSZCPFE4ZNLFKG7IY \
  | 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: 2a149a51165aa5913ca4e65ab2a8df461bd86b5de0dee886e3d034adf15b0c29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dd14f130fc96f9c68346077315e640a599ea3ee5c56a523d623e01f9ccd2ac4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-03T22:03:42Z",
    "title_canon_sha256": "f63021428d55e341d040764bd2e8521e1d75e8a903cf40610328511821e40ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403104",
    "kind": "arxiv",
    "version": 1
  }
}