Pith Number

pith:VB6YBQL5

pith:2018:VB6YBQL5MFG2QACJNDIMNGOCFV

not attested not anchored not stored refs pending

The Ultra-Fast Outflow of WKK 4438: Suzaku and NuSTAR X-ray Spectral Analysis

Andrew C. Fabian, Dominic J. Walton, Jiachen Jiang, Michael L. Parker

arxiv:1808.08398 v1 · 2018-08-25 · 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{VB6YBQL5MFG2QACJNDIMNGOCFV}

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	2026-05-18T00:06:36.729267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a87d80c17d614da8004968d0c699c22d673dc87a1bef40d2fde301773346f0b0

Aliases

arxiv: 1808.08398 · arxiv_version: 1808.08398v1 · doi: 10.48550/arxiv.1808.08398 · pith_short_12: VB6YBQL5MFG2 · pith_short_16: VB6YBQL5MFG2QACJ · pith_short_8: VB6YBQL5

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/VB6YBQL5MFG2QACJNDIMNGOCFV \
  | 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: a87d80c17d614da8004968d0c699c22d673dc87a1bef40d2fde301773346f0b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcc0261a46b212840e30ebd39ac5b52d3922cec2bca5105d224d46d00616cb04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-08-25T10:05:18Z",
    "title_canon_sha256": "253e7485ab98ca4b49e13322f761086e1986ec431bb458b5b4bd0294c0a0d5f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08398",
    "kind": "arxiv",
    "version": 1
  }
}