Pith Number

pith:VYHFTKDR

pith:2006:VYHFTKDR6LMUYN7HJ7M4HISJZV

not attested not anchored not stored refs pending

Variability of the Fe K line relativistic component in a sample of Seyfert 1 galaxies

B. De Marco, G.G.C. Palumbo, M. Cappi, M. Dadina

arxiv:astro-ph/0610882 v1 · 2006-10-30 · 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{VYHFTKDR6LMUYN7HJ7M4HISJZV}

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	2026-07-04T15:16:58.256123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae0e59a871f2d94c37e74fd9c3a249cd66c9b6e4830e2bf64458a226df5133f1

Aliases

arxiv: astro-ph/0610882 · arxiv_version: astro-ph/0610882v1 · doi: 10.48550/arxiv.astro-ph/0610882 · pith_short_12: VYHFTKDR6LMU · pith_short_16: VYHFTKDR6LMUYN7H · pith_short_8: VYHFTKDR

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/VYHFTKDR6LMUYN7HJ7M4HISJZV \
  | 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: ae0e59a871f2d94c37e74fd9c3a249cd66c9b6e4830e2bf64458a226df5133f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8944b29aac08ce0db0593413b83567e0b710ce00231ae4e49890a956ed65d936",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-10-30T13:57:08Z",
    "title_canon_sha256": "43afb5426a19eaf49176046c04586c9c656b04c71d037e6cc0321dfec9ab9e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0610882",
    "kind": "arxiv",
    "version": 1
  }
}