Pith Number

pith:QROSO5WR

pith:1999:QROSO5WRU76FHUZQESPSBXJOYF

not attested not anchored not stored refs pending

Radio Cores in Low-Luminosity AGN: ADAFs or Jets?

Andrew S. Wilson (University of Maryland), Heino Falcke (MPIfR Bonn), Jim S. Ulvestad (NRAO), Luis C. Ho (Carnegie), Neil M. Nagar (University of Maryland)

arxiv:astro-ph/9912436 v1 · 1999-12-21 · 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{QROSO5WRU76FHUZQESPSBXJOYF}

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	2026-05-18T01:40:12.253122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845d2776d1a7fc53d330249f20dd2ec15b60dde9d294e80c9021d155be6db126

Aliases

arxiv: astro-ph/9912436 · arxiv_version: astro-ph/9912436v1 · doi: 10.48550/arxiv.astro-ph/9912436 · pith_short_12: QROSO5WRU76F · pith_short_16: QROSO5WRU76FHUZQ · pith_short_8: QROSO5WR

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/QROSO5WRU76FHUZQESPSBXJOYF \
  | 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: 845d2776d1a7fc53d330249f20dd2ec15b60dde9d294e80c9021d155be6db126

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60278f780f62959420dea966c323809dde6316d03cf8fa27c9f749db468b17d5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-21T08:34:44Z",
    "title_canon_sha256": "7b202ee5b6417759c03e5a13002e178cefb483ad130f3179eeb2617e339631d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912436",
    "kind": "arxiv",
    "version": 1
  }
}