Pith Number

pith:C4DTUWSQ

pith:2009:C4DTUWSQTWPAUFOH6F2O6W6EVO

not attested not anchored not stored refs pending

Type I X-ray bursts, burst oscillations and kHz quasi-periodic oscillations in the neutron star system IGR J17191-2821

A. Patruno, C. Markwardt, D. Altamirano, J. Swank, M. Klein-Wolt, M. Linares, M. van der Klis, N. Degenaar, R. Wijnands

arxiv:0908.4039 v1 · 2009-08-27 · 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{C4DTUWSQTWPAUFOH6F2O6W6EVO}

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	2026-05-18T02:12:22.080464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17073a5a509d9e0a15c7f174ef5bc4ab82b6fd96e3f9d02d0757945c570a3aeb

Aliases

arxiv: 0908.4039 · arxiv_version: 0908.4039v1 · doi: 10.48550/arxiv.0908.4039 · pith_short_12: C4DTUWSQTWPA · pith_short_16: C4DTUWSQTWPAUFOH · pith_short_8: C4DTUWSQ

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/C4DTUWSQTWPAUFOH6F2O6W6EVO \
  | 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: 17073a5a509d9e0a15c7f174ef5bc4ab82b6fd96e3f9d02d0757945c570a3aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd51e50d517989c93e99158d808dbe4d6a72113dd06edeb096447dde17fcbb15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-27T16:31:05Z",
    "title_canon_sha256": "9497468c55bff166ac14ed26ba0ddb1d470bb722269b4ef39c38a112b9597ac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4039",
    "kind": "arxiv",
    "version": 1
  }
}