Pith Number

pith:QNNS5TKQ

pith:1996:QNNS5TKQUYDE7WKJQC56RSVHU7

not attested not anchored not stored refs pending

The `quiescent' black hole in M87

2), A.C. Fabian (1), Cambridge, C.R. Canizares (3) ((1) Institute of Astronomy, C.S. Reynolds (1, MIT, T. Di Matteo (1), U. Hwang (3), UK (2) JILA, University of Colorado, USA), USA (3) Center for Space Research

arxiv:astro-ph/9610097 v1 · 1996-10-14 · 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{QNNS5TKQUYDE7WKJQC56RSVHU7}

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.

Cited by

1 paper in Pith

Identifying Observational Signatures of Flux Eruption Events in Supermassive Black Hole Accretion Flows with Machine Learning

Receipt and verification

First computed	2026-05-18T01:12:43.949158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

835b2ecd50a6064fd94980bbe8caa7a7d1767dbf5888a8e1106428e1ab01a726

Aliases

arxiv: astro-ph/9610097 · arxiv_version: astro-ph/9610097v1 · doi: 10.48550/arxiv.astro-ph/9610097 · pith_short_12: QNNS5TKQUYDE · pith_short_16: QNNS5TKQUYDE7WKJ · pith_short_8: QNNS5TKQ

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/QNNS5TKQUYDE7WKJQC56RSVHU7 \
  | 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: 835b2ecd50a6064fd94980bbe8caa7a7d1767dbf5888a8e1106428e1ab01a726

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f12702d2dff152408c893a690488d77cbc645bca707af20a2679f4adb00a92b9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-10-14T20:48:30Z",
    "title_canon_sha256": "f553636ce422538a6690e02bb61ca691885afd32b5b3f1aa09021c0da0110b59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9610097",
    "kind": "arxiv",
    "version": 1
  }
}