Pith Number

pith:T6U3CU2J

pith:1996:T6U3CU2JSVQC6UOXAMNMMCWI7C

not attested not anchored not stored refs pending

Spectral Variability and iron line emission in the ASCA Observations of the Seyfert 1 Galaxy NGC4051

2), (2) Cosmic Radiation Laboratory, Chiko Otani (2), Italy, Japan), Masaru Matsuoka (2) ((1) Unita' G.I.F.C.O.-C.N.R., Matteo Guainazzi (1, Palermo, RIKEN, Tatehiro Mihara (1), Wako-shi

arxiv:astro-ph/9610180 v1 · 1996-10-23 · 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{T6U3CU2JSVQC6UOXAMNMMCWI7C}

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	2026-05-18T01:40:19.037241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fa9b1534995602f51d7031ac60ac8f8b9fab721e7f5229b3fa98a8b816aac8f

Aliases

arxiv: astro-ph/9610180 · arxiv_version: astro-ph/9610180v1 · doi: 10.48550/arxiv.astro-ph/9610180 · pith_short_12: T6U3CU2JSVQC · pith_short_16: T6U3CU2JSVQC6UOX · pith_short_8: T6U3CU2J

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/T6U3CU2JSVQC6UOXAMNMMCWI7C \
  | 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: 9fa9b1534995602f51d7031ac60ac8f8b9fab721e7f5229b3fa98a8b816aac8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4614dc765d6700124762ca8c886fecfccf9f4f955802935196b75f8205b940fe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-10-23T12:11:19Z",
    "title_canon_sha256": "18b9d78f36072461efa4ac3fe56348c8cf8c657a43df51f22b9d79d88e656876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9610180",
    "kind": "arxiv",
    "version": 1
  }
}