Pith Number

pith:IRJ27I2B

pith:2001:IRJ27I2BRVKPDHXU7GI423EIM2

not attested not anchored not stored refs pending

Characterizing the QPO Behavior of the X-ray Nova XTE J1550--564

(2) Harvard University, (3) Harvard-Smithsonian Center for Astrophysics), Gregory J. Sobczak (2), Jeffrey E. McClintock (3) ((1) M.I.T., Michael P. Muno (1), Ronald A. Remillard (1)

arxiv:astro-ph/0105508 v1 · 2001-05-29 · 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{IRJ27I2BRVKPDHXU7GI423EIM2}

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

2 papers in Pith

An atypical X-ray variability component in the black hole candidate AT2019wey

Discovery of a quasi-periodic oscillation non-harmonically related to the Type-C QPO in the hard intermedidate state of MAXI J1820+070

Receipt and verification

First computed	2026-07-04T16:23:27.621426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4453afa3418d54f19ef4f991cd6c8866b4a52c1df3dbd6074f6a9f805a641009

Aliases

arxiv: astro-ph/0105508 · arxiv_version: astro-ph/0105508v1 · doi: 10.48550/arxiv.astro-ph/0105508 · pith_short_12: IRJ27I2BRVKP · pith_short_16: IRJ27I2BRVKPDHXU · pith_short_8: IRJ27I2B

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/IRJ27I2BRVKPDHXU7GI423EIM2 \
  | 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: 4453afa3418d54f19ef4f991cd6c8866b4a52c1df3dbd6074f6a9f805a641009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d33939ed2b65248981aab01934386388a188b4130ab31837c953cc5f9d962d78",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-05-29T22:41:35Z",
    "title_canon_sha256": "f517ed026bfa404d5e8529b37515637c4520cf076cf09ec98549d17d8ce775e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0105508",
    "kind": "arxiv",
    "version": 1
  }
}