Pith Number

pith:LFZNOZ3P

pith:2018:LFZNOZ3PGSIMKDLIPFWMPXSMKG

not attested not anchored not stored refs pending

Science with the ngVLA: H$_2$O Megamaser Cosmology

Dominic Pesce, James Braatz, James Condon, Mark Reid

arxiv:1810.06686 v1 · 2018-10-15 · astro-ph.CO · 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{LFZNOZ3PGSIMKDLIPFWMPXSMKG}

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	2026-05-18T00:03:11.954986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5972d7676f3490c50d68796cc7de4c51953baca8e9c875784e69bd508d69589f

Aliases

arxiv: 1810.06686 · arxiv_version: 1810.06686v1 · doi: 10.48550/arxiv.1810.06686 · pith_short_12: LFZNOZ3PGSIM · pith_short_16: LFZNOZ3PGSIMKDLI · pith_short_8: LFZNOZ3P

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/LFZNOZ3PGSIMKDLIPFWMPXSMKG \
  | 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: 5972d7676f3490c50d68796cc7de4c51953baca8e9c875784e69bd508d69589f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d6a425791b7a6536648aef772187cbc627b70fa5432bbf976df9d58af246943",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-10-15T20:53:22Z",
    "title_canon_sha256": "27c01256d66b6b24a305d5447e60937f28f72dfa99d922ec4f00ffb5d4b4b4b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06686",
    "kind": "arxiv",
    "version": 1
  }
}