Pith Number

pith:VERP2CZE

pith:2000:VERP2CZEZOLQNAOKD65OCZMR43

not attested not anchored not stored refs pending

ASCA and other contemporaneous observations of the blazar B2 1308+326

A. Carraminana, B. McBreen, D. Watson, F. Quilligan, H. Teraesranta, J. Guichard, L. Hanlon, L. Metcalfe, M. Tashiro, N. Smith, P. Doyle

arxiv:astro-ph/0009202 v1 · 2000-09-13 · 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{VERP2CZEZOLQNAOKD65OCZMR43}

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.

Cited by

1 paper in Pith

Multi-band optical variability of the blazar OP 313 in the outburst state during 2024-2025

Receipt and verification

First computed	2026-07-04T14:10:43.198573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a922fd0b24cb970681ca1fbae16591e6fcb014a355e580cdccf1e55659c43c82

Aliases

arxiv: astro-ph/0009202 · arxiv_version: astro-ph/0009202v1 · doi: 10.48550/arxiv.astro-ph/0009202 · pith_short_12: VERP2CZEZOLQ · pith_short_16: VERP2CZEZOLQNAOK · pith_short_8: VERP2CZE

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/VERP2CZEZOLQNAOKD65OCZMR43 \
  | 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: a922fd0b24cb970681ca1fbae16591e6fcb014a355e580cdccf1e55659c43c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac96851683e20ef8d1d69d7f94d7d2265959b5e0863b0b3a077fa66bfd394b5b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-13T14:40:17Z",
    "title_canon_sha256": "63886f4dcba72fd1db175e51133eb91c681475a108e66ea6a6a7a2d4975a91c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009202",
    "kind": "arxiv",
    "version": 1
  }
}