Pith Number

pith:NT3YM3HA

pith:1996:NT3YM3HAQDGUKFCMRLSLW6CVAS

not attested not anchored not stored refs pending

Are the X-ray Spectra of Flat-spectrum Radio Quasars and BL Lacertae Objects Different?

(2) SAX/SDC, 3) ((1) Dip. di Fisica, (3) Osservatorio Astronomico di Roma), ASI, Fabrizio Fiore (2, II Universita' di Roma, Paolo Giommi (2), Paolo Padovani (1), Roma

arxiv:astro-ph/9610093 v1 · 1996-10-14 · 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{NT3YM3HAQDGUKFCMRLSLW6CVAS}

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	2026-05-18T01:40:19.093944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cf7866ce080cd45144c8ae4bb78550493862f3aab5db9cbdad0878b1a231eb3

Aliases

arxiv: astro-ph/9610093 · arxiv_version: astro-ph/9610093v1 · doi: 10.48550/arxiv.astro-ph/9610093 · pith_short_12: NT3YM3HAQDGU · pith_short_16: NT3YM3HAQDGUKFCM · pith_short_8: NT3YM3HA

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/NT3YM3HAQDGUKFCMRLSLW6CVAS \
  | 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: 6cf7866ce080cd45144c8ae4bb78550493862f3aab5db9cbdad0878b1a231eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d7dee4359b904f0c82c1ac4b15afb6474a379167da5eb486d4402a9d728846",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-10-14T11:03:05Z",
    "title_canon_sha256": "2e9852017f7c42c690a60c484a50983a20964c86390b18aa4e0d1c5cf2319c1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9610093",
    "kind": "arxiv",
    "version": 1
  }
}