Pith Number

pith:2R5IK5EU

pith:1996:2R5IK5EUGC3FEZVCVOOQVYO5KK

not attested not anchored not stored refs pending

A ROSAT observation of the warm-absorbed soft X-ray spectrum of NGC 4051

D), Henner Fink (MPE Garching, Stefanie Komossa

arxiv:astro-ph/9612038 v1 · 1996-12-04 · 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{2R5IK5EUGC3FEZVCVOOQVYO5KK}

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	2026-07-04T14:14:59.164514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47a85749430b65266a2ab9d0ae1dd52a7a4c1071de37e8259f274da714d17a6

Aliases

arxiv: astro-ph/9612038 · arxiv_version: astro-ph/9612038v1 · doi: 10.48550/arxiv.astro-ph/9612038 · pith_short_12: 2R5IK5EUGC3F · pith_short_16: 2R5IK5EUGC3FEZVC · pith_short_8: 2R5IK5EU

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/2R5IK5EUGC3FEZVCVOOQVYO5KK \
  | 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: d47a85749430b65266a2ab9d0ae1dd52a7a4c1071de37e8259f274da714d17a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71cbd5c6521d448406b930088a759bf66e1c887ab5bc44e2c4464bb58834720e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-12-04T13:47:38Z",
    "title_canon_sha256": "e801be6d8c1894580e18968f4521334e0585400ac9e5cdfbf1d9a9548e119199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9612038",
    "kind": "arxiv",
    "version": 1
  }
}