Pith Number

pith:XZAI32B4

pith:1996:XZAI32B4XQFU62YSJ7I3RX44SK

not attested not anchored not stored refs pending

Physical constraints on the sizes of dense clouds in the central magnetospheres of Active Galactic Nuclei

Cambridge), E. G. Blackman, M. J. Rees (Institute of Astronomy, Z. Kuncic

arxiv:astro-ph/9608104 v1 · 1996-08-16 · 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{XZAI32B4XQFU62YSJ7I3RX44SK}

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	2026-05-18T01:40:19.563406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be408de83cbc0b4f6b124fd1b8df9c92907ec49fc5e5dcbfcde2c1bd4c51af8f

Aliases

arxiv: astro-ph/9608104 · arxiv_version: astro-ph/9608104v1 · doi: 10.48550/arxiv.astro-ph/9608104 · pith_short_12: XZAI32B4XQFU · pith_short_16: XZAI32B4XQFU62YS · pith_short_8: XZAI32B4

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/XZAI32B4XQFU62YSJ7I3RX44SK \
  | 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: be408de83cbc0b4f6b124fd1b8df9c92907ec49fc5e5dcbfcde2c1bd4c51af8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d0eaab0b18b0baea4b3543d90b135ac14b8f521dbf271cd1139fd614e9bf664",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-08-16T01:21:19Z",
    "title_canon_sha256": "52858873ce670025388e98c711207f4b481e437cee7644028ba8db8ff0b2fbcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9608104",
    "kind": "arxiv",
    "version": 1
  }
}