Pith Number

pith:F7YWH4G7

pith:2005:F7YWH4G77SGMZPALWDT4PEGUXQ

not attested not anchored not stored refs pending

The Evolution of the Broad-Line Region among SDSS Quasars

2), (2) National Astronomical Observatory of Japan), Alessandro Marconi (1), Roberto Maiolino (1) ((1) Arcetri Observatory, Tohru Nagao (1

arxiv:astro-ph/0510385 v2 · 2005-10-13 · 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{F7YWH4G77SGMZPALWDT4PEGUXQ}

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

AGN radiative feedback as the main regulator of [O III] outflow activity and obscuration in X-ray AGN

Cosmic evolution of the helium and oxygen abundances in type 2 Active Galactic Nuclei: Helium-loud AGNs

Receipt and verification

First computed	2026-07-04T16:52:58.265188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff163f0dffc8cccbc0bb0e7c790d4bc346efdd54064293c8ee0e004bf94c51b

Aliases

arxiv: astro-ph/0510385 · arxiv_version: astro-ph/0510385v2 · doi: 10.48550/arxiv.astro-ph/0510385 · pith_short_12: F7YWH4G77SGM · pith_short_16: F7YWH4G77SGMZPAL · pith_short_8: F7YWH4G7

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/F7YWH4G77SGMZPALWDT4PEGUXQ \
  | 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: 2ff163f0dffc8cccbc0bb0e7c790d4bc346efdd54064293c8ee0e004bf94c51b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ec444c72d04d6b23170f3a28b0eba6721bb0954d9dea3fc0e897e704672b2e7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-13T10:48:51Z",
    "title_canon_sha256": "95f9a84d0d1014469eea89560ba18ec9f915965806fc40383a67f225c2dad716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510385",
    "kind": "arxiv",
    "version": 2
  }
}