Pith Number

pith:SH4A5KPF

pith:1996:SH4A5KPFTC562VAG4S225Z3Z34

not attested not anchored not stored refs pending

Variability of the iron K-emission line in the Seyfert 1 galaxy NGC 3516

I.M. George, K. Nandra, NASA/GSFC), R.F. Mushotzky, T.J. Turner (LHEA, T. Yaqoob

arxiv:astro-ph/9608171 v1 · 1996-08-26 · 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{SH4A5KPFTC562VAG4S225Z3Z34}

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	2026-05-18T01:22:58.894971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91f80ea9e598bbed5406e4b5aee779df32655b7210a5f730a25973fbd15b04f8

Aliases

arxiv: astro-ph/9608171 · arxiv_version: astro-ph/9608171v1 · doi: 10.48550/arxiv.astro-ph/9608171 · pith_short_12: SH4A5KPFTC56 · pith_short_16: SH4A5KPFTC562VAG · pith_short_8: SH4A5KPF

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/SH4A5KPFTC562VAG4S225Z3Z34 \
  | 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: 91f80ea9e598bbed5406e4b5aee779df32655b7210a5f730a25973fbd15b04f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c1369b5ab9acca6adf4912595c9f817168ba7be1b0f6ebfd77b0f18f832809e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-08-26T21:32:22Z",
    "title_canon_sha256": "75bd341cf461a9eed4f7eab28ba39bc2e202692d30b4d88bf87c11a65293ce78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9608171",
    "kind": "arxiv",
    "version": 1
  }
}