Pith Number

pith:ZOHMLCVL

pith:2010:ZOHMLCVLJ2ZULWLY4OA3NH3QN3

not attested not anchored not stored refs pending

The transition between BL Lac objects and Flat Spectrum Radio Quasars

F. Tavecchio, G. Ghirlanda (INAF - Osservatorio di Brera), G. Ghisellini, L. Foschini

arxiv:1012.0308 v2 · 2010-12-01 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZOHMLCVLJ2ZULWLY4OA3NH3QN3}

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	2026-05-18T02:04:36.304393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb8ec58aab4eb345d978e381b69f706ec4c4c9665d590129ef5806d6c31cedc5

Aliases

arxiv: 1012.0308 · arxiv_version: 1012.0308v2 · doi: 10.48550/arxiv.1012.0308 · pith_short_12: ZOHMLCVLJ2ZU · pith_short_16: ZOHMLCVLJ2ZULWLY · pith_short_8: ZOHMLCVL

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/ZOHMLCVLJ2ZULWLY4OA3NH3QN3 \
  | 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: cb8ec58aab4eb345d978e381b69f706ec4c4c9665d590129ef5806d6c31cedc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec69ea32f03c2cd838678b656ab26536c7f272556dd87348d9822b4fb917be62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-01T21:00:04Z",
    "title_canon_sha256": "9eaec5bd93a286747f472c7dff0fe57fcf0b040353a54931c13f4d973a325f7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0308",
    "kind": "arxiv",
    "version": 2
  }
}