Pith Number

pith:5FV4I5UO

pith:2000:5FV4I5UOSCVSIDR5TDK65S2L6U

not attested not anchored not stored refs pending

Complex Spectral Variability from Intensive Multi-wavelength Monitoring of Mrk421 in 1998

B. Degrange, C.M. Urry, F. Aharonian, F. Makino, F. Piron, F. Takahara, G. Fossati, G. Madejski, H. Krawczynski, H. Kubo, H. Marshall, H. Terasranta, J. Kataoka, J. Mattox, L. Chiappetti, L. Maraschi, M. Catanese, M. Tashiro, P. Coppi, R. Remillard, S. Wagner, T. Takahashi, T. Weekes

arxiv:astro-ph/0008505 v1 · 2000-08-31 · 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{5FV4I5UOSCVSIDR5TDK65S2L6U}

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	2026-07-04T16:17:05.905998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e96bc4768e90ab240e3d98d5eecb4bf51aaffeadf0c0815b7c299f470ce7d071

Aliases

arxiv: astro-ph/0008505 · arxiv_version: astro-ph/0008505v1 · doi: 10.48550/arxiv.astro-ph/0008505 · pith_short_12: 5FV4I5UOSCVS · pith_short_16: 5FV4I5UOSCVSIDR5 · pith_short_8: 5FV4I5UO

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/5FV4I5UOSCVSIDR5TDK65S2L6U \
  | 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: e96bc4768e90ab240e3d98d5eecb4bf51aaffeadf0c0815b7c299f470ce7d071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abf0be07b45f215e4b9e5a786938f6f5a398e596552d39fa962615ac90465393",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-31T05:08:44Z",
    "title_canon_sha256": "009a89bf2f3900ab54afe9f7872066f6945d7a4d560acfb122b3fa2aa11019b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008505",
    "kind": "arxiv",
    "version": 1
  }
}