Pith Number

pith:JH6BP5FV

pith:1996:JH6BP5FVI7I4KNBFNQOYDGA7M5

not attested not anchored not stored refs pending

The Soft and Medium--Energy X--Ray Variability of NGC 5548: A Reanalysis of EXOSAT Observations

A. Treves, G. Bao, G.L. Israel, G. Tagliaferri, L. Stella

arxiv:astro-ph/9602073 v1 · 1996-02-15 · 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{JH6BP5FVI7I4KNBFNQOYDGA7M5}

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	2026-07-04T15:59:35.258040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49fc17f4b547d1c534256c1d81981f6749db78e9d783a49fb59fad98f060575f

Aliases

arxiv: astro-ph/9602073 · arxiv_version: astro-ph/9602073v1 · doi: 10.48550/arxiv.astro-ph/9602073 · pith_short_12: JH6BP5FVI7I4 · pith_short_16: JH6BP5FVI7I4KNBF · pith_short_8: JH6BP5FV

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/JH6BP5FVI7I4KNBFNQOYDGA7M5 \
  | 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: 49fc17f4b547d1c534256c1d81981f6749db78e9d783a49fb59fad98f060575f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a0dfa194b6e8aa0a443d27e9ed5e2521327edcc54969396e91353722b289e32",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-02-15T11:19:55Z",
    "title_canon_sha256": "3332ad2bdb2c8d8865c861d8ad6250ee45f93443f6946422f1eef6dddaf33497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9602073",
    "kind": "arxiv",
    "version": 1
  }
}