Pith Number

pith:V7XS2IMT

pith:1999:V7XS2IMTTGDCIDQZP55KQMPUNO

not attested not anchored not stored refs pending

Radio-loud AGNs: The X-ray perspective

Michael Eracleous (PSU), Rita M. Sambruna

arxiv:astro-ph/9911503 v1 · 1999-11-29 · 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{V7XS2IMTTGDCIDQZP55KQMPUNO}

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	2026-05-18T01:07:35.763042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afef2d21939986240e197f7aa831f46b9c32dd9846aa30014e368693ff6295bc

Aliases

arxiv: astro-ph/9911503 · arxiv_version: astro-ph/9911503v1 · doi: 10.48550/arxiv.astro-ph/9911503 · pith_short_12: V7XS2IMTTGDC · pith_short_16: V7XS2IMTTGDCIDQZ · pith_short_8: V7XS2IMT

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/V7XS2IMTTGDCIDQZP55KQMPUNO \
  | 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: afef2d21939986240e197f7aa831f46b9c32dd9846aa30014e368693ff6295bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88421ce71209dce8e07a630f6d1aae8dd2aac495da001c115ab9d2581fbedff8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-29T21:41:49Z",
    "title_canon_sha256": "1d9f50065634d38b0f0830400be5cef78d20b0fcfae8f410081cee0dabbf7edb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911503",
    "kind": "arxiv",
    "version": 1
  }
}