Pith Number

pith:QR6AC3EO

pith:2006:QR6AC3EOKG53BO3PQOFW3PS24N

not attested not anchored not stored refs pending

The iron K feature in Narrow Line Seyfert 1's: evidence for a P Cygni profile?

C. Done, Marek Gierlinski, M. A. Sobolewska, N. J. Schurch (Durham University, UK)

arxiv:astro-ph/0610078 v1 · 2006-10-03 · 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{QR6AC3EOKG53BO3PQOFW3PS24N}

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	2026-07-04T15:16:55.006329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

847c016c8e51bbb0bb6f838b6dbe5ae3539fd331a8a132b4678053a46531f7b0

Aliases

arxiv: astro-ph/0610078 · arxiv_version: astro-ph/0610078v1 · doi: 10.48550/arxiv.astro-ph/0610078 · pith_short_12: QR6AC3EOKG53 · pith_short_16: QR6AC3EOKG53BO3P · pith_short_8: QR6AC3EO

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/QR6AC3EOKG53BO3PQOFW3PS24N \
  | 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: 847c016c8e51bbb0bb6f838b6dbe5ae3539fd331a8a132b4678053a46531f7b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e426f0c135406ea3f943c394f8411a471ebaa45ab9a886fb8deac0388b505ea6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-10-03T15:00:06Z",
    "title_canon_sha256": "42d7d6d4e715df0448a8272874637d49a04c3b07c6aa91e6a9be4b2ea88be67e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0610078",
    "kind": "arxiv",
    "version": 1
  }
}