Pith Number

pith:2F6U6VEY

pith:2012:2F6U6VEYRQCYRFXFGFDQJQCYFQ

not attested not anchored not stored refs pending

The Link Between the Hidden Broad Line Region and the Accretion Rate in Seyfert 2 Galaxies

Andrea Marinucci, Andy D. Goulding, Fabrizio Nicastro, Giorgio Matt, Stefano Bianchi

arxiv:1201.5397 v1 · 2012-01-25 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2F6U6VEYRQCYRFXFGFDQJQCYFQ}

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	2026-05-18T01:58:41.834560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d17d4f54988c058896e5314704c0582c02183c5918a9a71d6468dd14e52d44e8

Aliases

arxiv: 1201.5397 · arxiv_version: 1201.5397v1 · doi: 10.48550/arxiv.1201.5397 · pith_short_12: 2F6U6VEYRQCY · pith_short_16: 2F6U6VEYRQCYRFXF · pith_short_8: 2F6U6VEY

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/2F6U6VEYRQCYRFXFGFDQJQCYFQ \
  | 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: d17d4f54988c058896e5314704c0582c02183c5918a9a71d6468dd14e52d44e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88375321705a185a8e7c74fc6817b80e27868c04cc811c53862657bc63348445",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-25T21:22:40Z",
    "title_canon_sha256": "38e9291fcfac5ae75f8d62a59c50eb4b26ed3deb2b9d48c8cadf90d10fc3a143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5397",
    "kind": "arxiv",
    "version": 1
  }
}