Pith Number

pith:NAWGNE3P

pith:2018:NAWGNE3P4BUS5GQU5QUFNEYKNH

not attested not anchored not stored refs pending

Hydrogen Radio Recombination Line Emission from M51 and NGC628

Amanda A. Kepley, Dana S. Balser, L. D. Anderson, Matteo Luisi, T. M. Bania, Trey V. Wenger

arxiv:1805.11460 v1 · 2018-05-29 · 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{NAWGNE3P4BUS5GQU5QUFNEYKNH}

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	2026-05-18T00:11:04.698933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

682c66936fe0692e9a14ec2856930a69f720c95bbef216ab10fb111ef5b9646d

Aliases

arxiv: 1805.11460 · arxiv_version: 1805.11460v1 · doi: 10.48550/arxiv.1805.11460 · pith_short_12: NAWGNE3P4BUS · pith_short_16: NAWGNE3P4BUS5GQU · pith_short_8: NAWGNE3P

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/NAWGNE3P4BUS5GQU5QUFNEYKNH \
  | 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: 682c66936fe0692e9a14ec2856930a69f720c95bbef216ab10fb111ef5b9646d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "674531a9f72b2309cb13617199f9fd8df425fcc628ef9cb324b41e04bbf13a33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-29T13:41:05Z",
    "title_canon_sha256": "8cf6a7824725ccb06ca846643034d89da57577ad81112acd6fc3519826115c94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11460",
    "kind": "arxiv",
    "version": 1
  }
}