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Pith Number

pith:NSGAOL25

pith:2009:NSGAOL25TMTRRIZGLSHSAA5HHD
not attested not anchored not stored refs pending

Continuous monitoring of pulse period variations in Her X-1 using Swift/BAT

A. Santangelo, D. Klochkov, K. Postnov, N. Shakura, R. Staubert

arxiv:0908.0053 v1 · 2009-08-01 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NSGAOL25TMTRRIZGLSHSAA5HHD}

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 2026-05-18T02:12:45.514903Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6c8c072f5d9b2718a3265c8f2003a738e473d87d6c9d1a85b7e3347ed688b4a0

Aliases

arxiv: 0908.0053 · arxiv_version: 0908.0053v1 · doi: 10.48550/arxiv.0908.0053 · pith_short_12: NSGAOL25TMTR · pith_short_16: NSGAOL25TMTRRIZG · pith_short_8: NSGAOL25
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NSGAOL25TMTRRIZGLSHSAA5HHD \
  | 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: 6c8c072f5d9b2718a3265c8f2003a738e473d87d6c9d1a85b7e3347ed688b4a0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cc8d5dfd195e85b5b0beff73a73a30220a462245d2199dc9ec1eb1daad0cc9d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-01T06:27:54Z",
    "title_canon_sha256": "fbab985641fe46f184745ac1b70ddf78680c7230f52a73ca98d245350ae0ab35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0053",
    "kind": "arxiv",
    "version": 1
  }
}