Pith Number

pith:JUPCMDX3

pith:1997:JUPCMDX3CVPDJF53IBKMIBMAQN

not attested not anchored not stored refs pending

Unifying models for X-ray selected and Radio selected BL Lac Objects

A. Celotti(1), G. Fossati(1), G. Ghisellini(2), Italy, Italy (2) Osservatorio Astronomico di Brera/Merate, L. Maraschi(2) (1) International School for Advanced Studies, SISSA/ISAS

arxiv:astro-ph/9704113 v1 · 1997-04-12 · 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{JUPCMDX3CVPDJF53IBKMIBMAQN}

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	2026-05-18T01:40:17.798138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d1e260efb155e3497bb4054c40580837aef420e7b8e0a9fea09610f64b08534

Aliases

arxiv: astro-ph/9704113 · arxiv_version: astro-ph/9704113v1 · doi: 10.48550/arxiv.astro-ph/9704113 · pith_short_12: JUPCMDX3CVPD · pith_short_16: JUPCMDX3CVPDJF53 · pith_short_8: JUPCMDX3

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/JUPCMDX3CVPDJF53IBKMIBMAQN \
  | 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: 4d1e260efb155e3497bb4054c40580837aef420e7b8e0a9fea09610f64b08534

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ea880200e086289db430dfc2fc0341841e990345aada4eacefa144b058b95a9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-04-12T08:59:51Z",
    "title_canon_sha256": "82cc5b38976566ef37e642eeb9a234dc80d7664b23019fbf5d5fb77648c4a4f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9704113",
    "kind": "arxiv",
    "version": 1
  }
}