Pith Number

pith:C6SKU2SW

pith:2000:C6SKU2SWLLTSDAPTBH2XVU4HVK

not attested not anchored not stored refs pending

On the Origin of Quasi-Periodic Oscillations and Broad-band Noise in Accreting Neutron Stars and Black Holes

Colin Norman (JHU), Dimitrios Psaltis (Harvard-Smithsonian CfA)

arxiv:astro-ph/0001391 v1 · 2000-01-21 · 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{C6SKU2SWLLTSDAPTBH2XVU4HVK}

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

A NuSTAR study of quasi-periodic oscillations from the ultraluminous X-ray sources in M82

Receipt and verification

First computed	2026-07-04T14:10:07.538056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a4aa6a565ae72181f309f57ad387aa8d98c848820469aac8c80b5ed0fef998

Aliases

arxiv: astro-ph/0001391 · arxiv_version: astro-ph/0001391v1 · doi: 10.48550/arxiv.astro-ph/0001391 · pith_short_12: C6SKU2SWLLTS · pith_short_16: C6SKU2SWLLTSDAPT · pith_short_8: C6SKU2SW

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/C6SKU2SWLLTSDAPTBH2XVU4HVK \
  | 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: 17a4aa6a565ae72181f309f57ad387aa8d98c848820469aac8c80b5ed0fef998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7d8b739d2bd675ca582769b407275f60f85b933bba97753ad417829170ac48f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-01-21T23:46:01Z",
    "title_canon_sha256": "2d291a39ee71a5f322f40022953762daa9a100322c2796aa1c57c3b1898ee3fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0001391",
    "kind": "arxiv",
    "version": 1
  }
}