Pith Number

pith:JJTV3R2S

pith:2000:JJTV3R2SBOSUIYZHUUGMEW7YK7

not attested not anchored not stored refs pending

Variability Modes of Blazars from Intensive Optical Monitoring

E. Massaro, F. Montagni, G. Tosti, M. Maesano, R. Nesci, S. Ciprini

arxiv:astro-ph/0010396 v1 · 2000-10-19 · 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{JJTV3R2SBOSUIYZHUUGMEW7YK7}

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	2026-05-18T04:33:37.965035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a675dc7520ba5446327a50cc25bf857efcf06bd4f23b8864835369e776546a7

Aliases

arxiv: astro-ph/0010396 · arxiv_version: astro-ph/0010396v1 · doi: 10.48550/arxiv.astro-ph/0010396 · pith_short_12: JJTV3R2SBOSU · pith_short_16: JJTV3R2SBOSUIYZH · pith_short_8: JJTV3R2S

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/JJTV3R2SBOSUIYZHUUGMEW7YK7 \
  | 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: 4a675dc7520ba5446327a50cc25bf857efcf06bd4f23b8864835369e776546a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0761ddcccccf13a72d6e76cceca01fb266425b4b3b552832d927b890f2ef7afd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-19T15:58:05Z",
    "title_canon_sha256": "bcc1dc31ca72cdd63fd854984d22781b787003e10aa32b3128e75cabc5573bf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010396",
    "kind": "arxiv",
    "version": 1
  }
}