Pith Number

pith:IPUIPLYI

pith:2009:IPUIPLYIA3Q7GBC22ZVABP3IKC

not attested not anchored not stored refs pending

Black hole accretion disks in the canonical low-hard state

A. C. Fabian, J. M. Miller, R. C. Reis

arxiv:0911.1151 v1 · 2009-11-06 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPUIPLYIA3Q7GBC22ZVABP3IKC}

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	2026-05-18T02:10:59.064860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43e887af0806e1f3045ad66a00bf6850906d5669523b822416cb71a5f1821273

Aliases

arxiv: 0911.1151 · arxiv_version: 0911.1151v1 · doi: 10.48550/arxiv.0911.1151 · pith_short_12: IPUIPLYIA3Q7 · pith_short_16: IPUIPLYIA3Q7GBC2 · pith_short_8: IPUIPLYI

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/IPUIPLYIA3Q7GBC22ZVABP3IKC \
  | 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: 43e887af0806e1f3045ad66a00bf6850906d5669523b822416cb71a5f1821273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6290f6f77747374aa984dd848cb5ea0277161c2f87ec3f7c1486b0e504680dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-06T00:23:50Z",
    "title_canon_sha256": "e767208baaa400822966f64ff78e0c2c864e62437cee4f69972752aa01ec1613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1151",
    "kind": "arxiv",
    "version": 1
  }
}