Pith Number

pith:5DPI46DO

pith:1998:5DPI46DOBMFJDFTFUMML6DYM67

not attested not anchored not stored refs pending

Detection of an iron K Emission Line from the LINER NGC 4579

Andrew F. Ptak, Gail A. Reichert, Hideyo Kunieda, Kazutami Misaki, Richard F. Mushotzky, Yuichi Terashima

arxiv:astro-ph/9804054 v1 · 1998-04-06 · 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{5DPI46DOBMFJDFTFUMML6DYM67}

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	2026-07-04T16:06:17.403548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8de8e786e0b0a919665a318bf0f0cf7ee216b35a576fb1add5a067bbdacaf39

Aliases

arxiv: astro-ph/9804054 · arxiv_version: astro-ph/9804054v1 · doi: 10.48550/arxiv.astro-ph/9804054 · pith_short_12: 5DPI46DOBMFJ · pith_short_16: 5DPI46DOBMFJDFTF · pith_short_8: 5DPI46DO

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/5DPI46DOBMFJDFTFUMML6DYM67 \
  | 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: e8de8e786e0b0a919665a318bf0f0cf7ee216b35a576fb1add5a067bbdacaf39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b7d562f5c2e868fc7314438839b24c26a048777565176a7c154b76645e5e410",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-06T12:35:37Z",
    "title_canon_sha256": "816a9d0919eee526cdb00843dc9b934c4add65bd6fdea262ae8bbd4703ab23b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804054",
    "kind": "arxiv",
    "version": 1
  }
}