Pith Number

pith:UZB7ZINA

pith:2018:UZB7ZINAL63CQXIYI2KFFECRH5

not attested not anchored not stored refs pending

Investigations of the Class I methanol masers in NGC 4945

Christian Henkel, Maxim A. Voronkov, Shari L. Breen, Simon P. Ellingsen, Tiege P. McCarthy

arxiv:1808.03024 v1 · 2018-08-09 · 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{UZB7ZINAL63CQXIYI2KFFECRH5}

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	2026-05-18T00:07:33.672541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a643fca1a05fb6285d1846945290513f70b2a2fb37e40c9be67a5fdc5845633a

Aliases

arxiv: 1808.03024 · arxiv_version: 1808.03024v1 · doi: 10.48550/arxiv.1808.03024 · pith_short_12: UZB7ZINAL63C · pith_short_16: UZB7ZINAL63CQXIY · pith_short_8: UZB7ZINA

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/UZB7ZINAL63CQXIYI2KFFECRH5 \
  | 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: a643fca1a05fb6285d1846945290513f70b2a2fb37e40c9be67a5fdc5845633a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97961f09f0ef8c331525108a54d423491ddc61c7dc883391d039985135178e92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-09T05:31:27Z",
    "title_canon_sha256": "67eaa3976a568ef37aff81585f5ac622533c84374b640a4d5c6afaa720bd7655"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03024",
    "kind": "arxiv",
    "version": 1
  }
}