Pith Number

pith:P77HNXPD

pith:2003:P77HNXPD6FN4IPLQABQHSCSDWE

not attested not anchored not stored refs pending

The origin of optical emission from super-Eddington accreting Active Galactic Nuclei: the case of Ton S 180

A. Pierens, France), J.-M. Hure (Meudon Observatory, T. Kawaguchi

arxiv:astro-ph/0311266 v1 · 2003-11-12 · 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{P77HNXPD6FN4IPLQABQHSCSDWE}

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	2026-07-04T16:37:48.144201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ffe76dde3f15bc43d700060790a43b108352892a02f524197f00cba70922189

Aliases

arxiv: astro-ph/0311266 · arxiv_version: astro-ph/0311266v1 · doi: 10.48550/arxiv.astro-ph/0311266 · pith_short_12: P77HNXPD6FN4 · pith_short_16: P77HNXPD6FN4IPLQ · pith_short_8: P77HNXPD

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/P77HNXPD6FN4IPLQABQHSCSDWE \
  | 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: 7ffe76dde3f15bc43d700060790a43b108352892a02f524197f00cba70922189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31bc1ee2344e7e9eaf8c33221390a50903f46d74e106dd71394a4e94526d21f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-12T17:38:39Z",
    "title_canon_sha256": "531f9498fb2d358607c8a44a98b74ff6c4a9854cdbe3985af18a8585f37dda3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311266",
    "kind": "arxiv",
    "version": 1
  }
}