Pith Number

pith:CCBFMUWZ

pith:1999:CCBFMUWZ7LZYZIAD6PCQMYYTZW

not attested not anchored not stored refs pending

Active Galactic Nuclei as High Energy Engines

2), (2) Institut Universitaire de France), G. Henri (1, G. Pelletier (1, N. Renaud (1) ((1) Laboratoire d'Astrophysique de l'Observatoire de Grenoble, P.O. Petrucci (1)

arxiv:astro-ph/9901051 v1 · 1999-01-05 · 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{CCBFMUWZ7LZYZIAD6PCQMYYTZW}

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	2026-05-18T04:34:17.609228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10825652d9faf38ca003f3c5066313cdb6232d9b59ed46af976e2e86e02cae35

Aliases

arxiv: astro-ph/9901051 · arxiv_version: astro-ph/9901051v1 · doi: 10.48550/arxiv.astro-ph/9901051 · pith_short_12: CCBFMUWZ7LZY · pith_short_16: CCBFMUWZ7LZYZIAD · pith_short_8: CCBFMUWZ

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/CCBFMUWZ7LZYZIAD6PCQMYYTZW \
  | 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: 10825652d9faf38ca003f3c5066313cdb6232d9b59ed46af976e2e86e02cae35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e1d6f575f888696f16a8dcdfb9fcc91e5a4b7dbbfbd497f3409b81edbc5c45c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-05T20:26:45Z",
    "title_canon_sha256": "5d4e6ac520b6cfba4dfbd86de0b48da035d1621556561739f4c176c9fc5ceda9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901051",
    "kind": "arxiv",
    "version": 1
  }
}