Pith Number

pith:ZA7LFRQO

pith:2019:ZA7LFRQOTXGE5KOL7TQ43UHLU4

not attested not anchored not stored refs pending

SPEX: High-Resolution Spectral Modeling and Fitting for X-ray Astronomy

Jelle de Plaa, Jelle S. Kaastra, Junjie Mao, Liyi Gu, Ton Raassen

arxiv:1912.07897 v1 · 2019-12-17 · astro-ph.IM · 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{ZA7LFRQOTXGE5KOL7TQ43UHLU4}

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

1 paper in Pith

The SRG/eROSITA diffuse soft X-ray background II. spectra and morphology of the eROSITA bubbles in the western Galactic hemisphere

Receipt and verification

First computed	2026-07-05T00:26:47.654397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c83eb2c60e9dcc4ea9cbfce1cdd0eba73bd90abf1e20bb6a9e8be6d621baf564

Aliases

arxiv: 1912.07897 · arxiv_version: 1912.07897v1 · doi: 10.48550/arxiv.1912.07897 · pith_short_12: ZA7LFRQOTXGE · pith_short_16: ZA7LFRQOTXGE5KOL · pith_short_8: ZA7LFRQO

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/ZA7LFRQOTXGE5KOL7TQ43UHLU4 \
  | 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: c83eb2c60e9dcc4ea9cbfce1cdd0eba73bd90abf1e20bb6a9e8be6d621baf564

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34165264b9bfc154b07050d9edc8b0c552a9490e768cb5ffe5f289794ef6d153",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-12-17T09:41:55Z",
    "title_canon_sha256": "70adc53a9cb92f9797aaa53403d307becaeb53f9af7b8660aaa37df73d959cf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.07897",
    "kind": "arxiv",
    "version": 1
  }
}