Pith Number

pith:TDLXHUWF

pith:1996:TDLXHUWFSLGFCPRNA7ASOUUVX3

not attested not anchored not stored refs pending

Testing the X-ray variability of active galactic nuclei with the nonlinear prediction method

B. Czerny (Copernicus Astronomical Center, H.J. Lehto (Turku University Observatory, Tuorla), Warsaw)

arxiv:astro-ph/9610002 v2 · 1996-10-01 · 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{TDLXHUWFSLGFCPRNA7ASOUUVX3}

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	2026-05-18T01:40:19.164651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98d773d2c592cc513e2d07c1275295beecc5ae08c5ef5d9682d1cb3adf721a8a

Aliases

arxiv: astro-ph/9610002 · arxiv_version: astro-ph/9610002v2 · doi: 10.48550/arxiv.astro-ph/9610002 · pith_short_12: TDLXHUWFSLGF · pith_short_16: TDLXHUWFSLGFCPRN · pith_short_8: TDLXHUWF

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/TDLXHUWFSLGFCPRNA7ASOUUVX3 \
  | 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: 98d773d2c592cc513e2d07c1275295beecc5ae08c5ef5d9682d1cb3adf721a8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19c441222325b6373acef10436550530be6ea97959017d25ae1645fb922c90e0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-10-01T08:09:41Z",
    "title_canon_sha256": "ed3b82a58cd775da4f873a136daca460b974e795f5c2e492efbc37512c93b174"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9610002",
    "kind": "arxiv",
    "version": 2
  }
}