Pith Number

pith:M6PQ3ROC

pith:2015:M6PQ3ROCROSDYZH2YMDCGLHHBU

not attested not anchored not stored refs pending

Supermassive Black Holes with High Accretion Rates in Active Galactic Nuclei. III. Detection of Fe II Reverberation in Nine Narrow-Line Seyfert 1 Galaxies

1), (2) Beijing Normal University, (3) National Astronomical Observatories, 3) (SEAMBH collaboration) ((1) Institute of High Energy Physics, (4) Kavli Institute for Astronomy, 5), (5) Peking University, (6) Yunnan Observatories, (7) Tel-Aviv University, Astrophysics, Chen Hu (1), China, Fang Wang (6), Hagai Netzer (7), Israel), Jian-Min Wang (1, Jie Qiu (1), Jin-Ming Bai (6), Kai-Xing Lu (2, Luis C. Ho (4, Pu Du (1), Shai Kaspi (7), Yan-Rong Li (1)

arxiv:1503.03611 v1 · 2015-03-12 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M6PQ3ROCROSDYZH2YMDCGLHHBU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:03:33.885017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

679f0dc5c28ba43c64fac306232ce70d18ce3f03a0636b30947d4aef60788c7f

Aliases

arxiv: 1503.03611 · arxiv_version: 1503.03611v1 · doi: 10.48550/arxiv.1503.03611 · pith_short_12: M6PQ3ROCROSD · pith_short_16: M6PQ3ROCROSDYZH2 · pith_short_8: M6PQ3ROC

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/M6PQ3ROCROSDYZH2YMDCGLHHBU \
  | 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: 679f0dc5c28ba43c64fac306232ce70d18ce3f03a0636b30947d4aef60788c7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edf1cfa02834c05dc2345dad9b1eefc2f28a7c522ada87c1b03637e491113113",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-12T07:12:47Z",
    "title_canon_sha256": "ad9ea6f5a6c3458fb49c4fbaaa7dc5e3c83c035b06e4cbcb2a8fff47fca49ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03611",
    "kind": "arxiv",
    "version": 1
  }
}