Pith Number

pith:IFPWV3P4

pith:2018:IFPWV3P4ZBNT5JHKD2CRUR4OG5

not attested not anchored not stored refs pending

A Potential Cyclotron Resonant Scattering Feature in the ULX Pulsar NGC 300 ULX1 seen by NuSTAR and XMM-Newton

A. C. Fabian, B. W. Grefenstette, C. Pinto, D. Barret, D. J. Walton, F. A. Harrison, F. Fuerst, J. F. Steiner, J. Kennea, K. K. Madsen, M. Bachetti, M. Brightman, M. Heida, M. J. Middleton, N. Webb, P. Kosec, R. M. Lau

arxiv:1803.07571 v2 · 2018-03-20 · 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{IFPWV3P4ZBNT5JHKD2CRUR4OG5}

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	2026-05-18T00:17:38.211944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

415f6aedfcc85b3ea4ea1e851a478e377f07f2bc22dfd5df8d75a747800c0620

Aliases

arxiv: 1803.07571 · arxiv_version: 1803.07571v2 · doi: 10.48550/arxiv.1803.07571 · pith_short_12: IFPWV3P4ZBNT · pith_short_16: IFPWV3P4ZBNT5JHK · pith_short_8: IFPWV3P4

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/IFPWV3P4ZBNT5JHKD2CRUR4OG5 \
  | 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: 415f6aedfcc85b3ea4ea1e851a478e377f07f2bc22dfd5df8d75a747800c0620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6708225902196dda7082df13c061cbfb4b4f47cfd1aa0a8cf3f509c6b957824b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-03-20T18:00:16Z",
    "title_canon_sha256": "ba6d1bad04eb87dac9a8af48ee6e35399efad8b2e913f63cb37a0696319ae1ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07571",
    "kind": "arxiv",
    "version": 2
  }
}