Pith Number

pith:L4HUENHT

pith:2022:L4HUENHT74NS5HRHG2H7RZYCTV

not attested not anchored not stored refs pending

An 8.56 keV absorption line in the hyperluminous X-ray source in NGC 4045: ultra-fast outflow or cyclotron line?

Daniel Stern, Dominic J Walton, Felix F\"urst, Hannah Earnshaw, Marianne Heida, Matthew J Middleton, Murray Brightman, Peter Kosec

arxiv:2203.11955 v1 · 2022-03-22 · 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{L4HUENHT74NS5HRHG2H7RZYCTV}

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	2026-07-05T04:18:11.527760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f0f4234f3ff1b2e9e27368ff8e7029d7962acef66c3aee7fadadda18a48b83a

Aliases

arxiv: 2203.11955 · arxiv_version: 2203.11955v1 · doi: 10.48550/arxiv.2203.11955 · pith_short_12: L4HUENHT74NS · pith_short_16: L4HUENHT74NS5HRH · pith_short_8: L4HUENHT

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/L4HUENHT74NS5HRHG2H7RZYCTV \
  | 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: 5f0f4234f3ff1b2e9e27368ff8e7029d7962acef66c3aee7fadadda18a48b83a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5bee4a184a4599d9bb22e0649bcadab5cb93fd0552a48c09ed1d591d1618a8e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-03-22T18:00:01Z",
    "title_canon_sha256": "6015c50bf27bb3c00a443f31a2c4ede6cf815326c552a1e3430f701c70ee1e78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.11955",
    "kind": "arxiv",
    "version": 1
  }
}