Pith Number

pith:RMZG3QFW

pith:2018:RMZG3QFWYNKPD4VSHMUXJPLG3D

not attested not anchored not stored refs pending

On the 2018 outburst of the accreting millisecond X-ray pulsar Swift J1756.9-2508 as seen with NICER

Craig B. Markwardt, Deepto Chakrabarty, Diego Altamirano, Gaurava K. Jaisawal, John S. Pope, Keith C. Gendreau, Maxine R. Saylor, Paul. S. Ray, Peter Bult, Sebastien Guillot, Son N. Ngo, Steven Lentine, Tod E. Strohmayer, Wynn C. G. Ho, Zaven Arzoumanian

arxiv:1807.09100 v1 · 2018-07-24 · 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{RMZG3QFWYNKPD4VSHMUXJPLG3D}

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	2026-05-18T00:06:37.304156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b326dc0b6c354f1f2b23b2974bd66d8dffb9fc2174e095162ae25dc55d93f6f

Aliases

arxiv: 1807.09100 · arxiv_version: 1807.09100v1 · doi: 10.48550/arxiv.1807.09100 · pith_short_12: RMZG3QFWYNKP · pith_short_16: RMZG3QFWYNKPD4VS · pith_short_8: RMZG3QFW

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/RMZG3QFWYNKPD4VSHMUXJPLG3D \
  | 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: 8b326dc0b6c354f1f2b23b2974bd66d8dffb9fc2174e095162ae25dc55d93f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f75a18f177daf18c81c7b969433287ad1318b7e9c35f0c200ab68b2635cfe52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-24T13:28:31Z",
    "title_canon_sha256": "d01f69cc8fd592bb64a064331e3adae1338cdfdfbd9cb8aebd040d4ec3cf340b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09100",
    "kind": "arxiv",
    "version": 1
  }
}