Pith Number

pith:CKI4V4YH

pith:2003:CKI4V4YHDQTDJMYJ7T6F422XVN

not attested not anchored not stored refs pending

The BL Lac objects OQ 530 and S5 0716+714. Simultaneous observations in the X-rays, radio, optical and TeV bands

A. Celotti, A. Wolter, E. Massaro, F. Tavecchio, G. Ghisellini, G. Tagliaferri, G. Tosti, H.D. Aller, L. Maraschi, M.F. Aller, M. Ravasio, P. Giommi, R. Nesci

arxiv:astro-ph/0301117 v1 · 2003-01-07 · 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{CKI4V4YHDQTDJMYJ7T6F422XVN}

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	2026-07-04T16:35:49.513810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1291caf3071c2634b309fcfc5e6b57ab412907f08afbda1f9ffb11cd9cbf782f

Aliases

arxiv: astro-ph/0301117 · arxiv_version: astro-ph/0301117v1 · doi: 10.48550/arxiv.astro-ph/0301117 · pith_short_12: CKI4V4YHDQTD · pith_short_16: CKI4V4YHDQTDJMYJ · pith_short_8: CKI4V4YH

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/CKI4V4YHDQTDJMYJ7T6F422XVN \
  | 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: 1291caf3071c2634b309fcfc5e6b57ab412907f08afbda1f9ffb11cd9cbf782f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3084bb28c47b73f8d298232ef32ab7e8bb6672c5489db8fe04eb37fd4e4e4ab6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-07T18:09:09Z",
    "title_canon_sha256": "5bf65eceef3d0dedd815a0c7223e125320274e954cb6dac00ce2731a7e369ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301117",
    "kind": "arxiv",
    "version": 1
  }
}