Pith Number

pith:Y5WBMRK5

pith:1997:Y5WBMRK55A3PDGYAZY6YWOKIPQ

not attested not anchored not stored refs pending

Asymmetry of jets, lobe length and spectral index in quasars

A.H. Bridle, J. Dennett-Thorpe, J.P. Leahy, P.A.G. Scheuer, R.A. Laing

arxiv:astro-ph/9706279 v2 · 1997-06-27 · 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{Y5WBMRK55A3PDGYAZY6YWOKIPQ}

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	2026-05-18T01:40:17.174493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c76c16455de836f19b00ce3d8b39487c3b030b5df4b345709df436cfc7d15d38

Aliases

arxiv: astro-ph/9706279 · arxiv_version: astro-ph/9706279v2 · doi: 10.48550/arxiv.astro-ph/9706279 · pith_short_12: Y5WBMRK55A3P · pith_short_16: Y5WBMRK55A3PDGYA · pith_short_8: Y5WBMRK5

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/Y5WBMRK55A3PDGYAZY6YWOKIPQ \
  | 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: c76c16455de836f19b00ce3d8b39487c3b030b5df4b345709df436cfc7d15d38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd312cea989696f5a97a81d7adcb8a3cd0093f1fc33f1d944bb695793360c2f5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-06-27T11:04:21Z",
    "title_canon_sha256": "80ae93a655822821cc5651d7cf0d75a970a01ec0ad0932ee963a7ea27e1e3570"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9706279",
    "kind": "arxiv",
    "version": 2
  }
}