Pith Number

pith:WL4TPZUX

pith:1998:WL4TPZUXML7MAFRZJSLYTTATAE

not attested not anchored not stored refs pending

Extreme blazars

Gabriele Ghisellini (Osserv. Astr. di Brera, Italy), Merate

arxiv:astro-ph/9812202 v1 · 1998-12-10 · 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{WL4TPZUXML7MAFRZJSLYTTATAE}

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

Parsec-scale polarimetry and kinematics of a spine-sheath jet in the neutrino-blazar TXS 0506+056

Receipt and verification

First computed	2026-07-04T16:07:21.397431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f937e69762fec016394c9789cc1301029d137e934f504c28ea1ea01bfd4252

Aliases

arxiv: astro-ph/9812202 · arxiv_version: astro-ph/9812202v1 · doi: 10.48550/arxiv.astro-ph/9812202 · pith_short_12: WL4TPZUXML7M · pith_short_16: WL4TPZUXML7MAFRZ · pith_short_8: WL4TPZUX

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/WL4TPZUXML7MAFRZJSLYTTATAE \
  | 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: b2f937e69762fec016394c9789cc1301029d137e934f504c28ea1ea01bfd4252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d91a9b78a291149744d435b707d551532d392f1557a71ddc5b7cbe779db2919",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-10T08:55:55Z",
    "title_canon_sha256": "b151a0b24db2b94848136be561e7c44d8e1f58b577e1c04de4b8f150ec6632fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812202",
    "kind": "arxiv",
    "version": 1
  }
}