Pith Number

pith:QVQNKEFE

pith:2016:QVQNKEFEO7YNNEJUKTOIEM4BA5

not attested not anchored not stored refs pending

A 78 Day X-ray Period Detected from NGC 5907 ULX1 by Swift

A. C. Fabian, D. Barret, D. J. Walton, D. Stern, F. A. Harrison, F. Fuerst, L. Tao, M. Bachetti, M. Brightman, M. Heida, M. J. Middleton, N. Gehrels, N. Webb, T. P. Roberts, V. Rana

arxiv:1607.07448 v1 · 2016-07-25 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVQNKEFEO7YNNEJUKTOIEM4BA5}

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

Optical Super-orbital Modulation of SMC X-1: Disk Precession and a Revised Pulsar Mass

Significant or Not? The Impact of Randomisation During Data Reduction on Confirming a New Pulsating Ultraluminous X-ray Source Candidate in Centaurus A

Receipt and verification

First computed	2026-05-18T01:08:37.985390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8560d510a477f0d6913454dc823381074305f0868554d8dd27e1e40d3918af02

Aliases

arxiv: 1607.07448 · arxiv_version: 1607.07448v1 · doi: 10.48550/arxiv.1607.07448 · pith_short_12: QVQNKEFEO7YN · pith_short_16: QVQNKEFEO7YNNEJU · pith_short_8: QVQNKEFE

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/QVQNKEFEO7YNNEJUKTOIEM4BA5 \
  | 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: 8560d510a477f0d6913454dc823381074305f0868554d8dd27e1e40d3918af02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c6207c7886040c8763be419a7529d1d5edad749593a3e84cf2031cd38b2f218",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-07-25T20:00:05Z",
    "title_canon_sha256": "5ef5d0776f2d3d4d6581f6e089255a53e02eac360721ae1e0ad70add186a17fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07448",
    "kind": "arxiv",
    "version": 1
  }
}