Pith Number

pith:MQNUYKJA

pith:2020:MQNUYKJAK6IRGL4M6Z3PLHGSCT

not attested not anchored not stored refs pending

The physical parameters of clumps associated with class I methanol masers

A. M. Sobolev, D. A. Ladeyschikov, J. S. Urquhart, O. S. Bayandina, S. L. Breen

arxiv:2009.07474 v2 · 2020-09-16 · astro-ph.GA · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQNUYKJAK6IRGL4M6Z3PLHGSCT}

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	2026-07-05T01:47:06.519258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

641b4c29205791132f8cf676f59cd214f2ceac98f25e358545e63a2f742ed1d5

Aliases

arxiv: 2009.07474 · arxiv_version: 2009.07474v2 · doi: 10.48550/arxiv.2009.07474 · pith_short_12: MQNUYKJAK6IR · pith_short_16: MQNUYKJAK6IRGL4M · pith_short_8: MQNUYKJA

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/MQNUYKJAK6IRGL4M6Z3PLHGSCT \
  | 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: 641b4c29205791132f8cf676f59cd214f2ceac98f25e358545e63a2f742ed1d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4f70f741f0e6bdc1e2f98a935b2830cbff5f5e1ee5cd9e16f1dda4068efcca6",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-16T05:04:32Z",
    "title_canon_sha256": "b7297360808d94ff1bb708be94539efe1eed1d8569c5f64a08242e3d821e8231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07474",
    "kind": "arxiv",
    "version": 2
  }
}