Pith Number

pith:7LTA3GUQ

pith:2019:7LTA3GUQCMQFJTLY6YSH7UG2BO

not attested not anchored not stored refs pending

CHIANTI - an atomic database for emission lines - Paper XV: Version 9, improvements for the X-ray satellite lines

Enrico Landi, Giulio del Zanna, Kenneth P. Dere, Peter R. Young, Ralph S. Sutherland

arxiv:1902.05019 v1 · 2019-02-13 · astro-ph.SR · astro-ph.HE · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LTA3GUQCMQFJTLY6YSH7UG2BO}

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	2026-05-17T23:49:39.088296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae60d9a90132054cd78f6247fd0da0b95fe65be8f0d420ce5b7f3615c164d28

Aliases

arxiv: 1902.05019 · arxiv_version: 1902.05019v1 · doi: 10.48550/arxiv.1902.05019 · pith_short_12: 7LTA3GUQCMQF · pith_short_16: 7LTA3GUQCMQFJTLY · pith_short_8: 7LTA3GUQ

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/7LTA3GUQCMQFJTLY6YSH7UG2BO \
  | 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: fae60d9a90132054cd78f6247fd0da0b95fe65be8f0d420ce5b7f3615c164d28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f13f3a59f0057ecdd35de7f500dcef3d39a068dbc77a0e1020d7d40f627ab21",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-13T17:28:03Z",
    "title_canon_sha256": "fe9dfdcd2718c396cfdd29e117cea081fce7bf3cfaea8e40b96b446ae92baa6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05019",
    "kind": "arxiv",
    "version": 1
  }
}