Pith Number

pith:F6ZFYB6Q

pith:2020:F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ

not attested not anchored not stored refs pending

A large catalogue of molecular clouds with accurate distances within 4 kpc of the Galactic disk

B.-Q. Chen, C. Wang, G.-x. Li, H.-B. Yuan, H.-F. Wang, H.-W. Zhang, X.-W. Liu, Y. Huang, Z.-J. Tian

arxiv:2001.11682 v1 · 2020-01-31 · astro-ph.GA · 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{F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ}

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	2026-07-05T00:40:10.379794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb25c07d0d4f56676c8ab616cc73e5c0ed79d9a0164157529f06d00921cf710

Aliases

arxiv: 2001.11682 · arxiv_version: 2001.11682v1 · doi: 10.48550/arxiv.2001.11682 · pith_short_12: F6ZFYB6Q2T2W · pith_short_16: F6ZFYB6Q2T2WM5WI · pith_short_8: F6ZFYB6Q

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/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ \
  | 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: 2fb25c07d0d4f56676c8ab616cc73e5c0ed79d9a0164157529f06d00921cf710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cad963711081722b533b2e020f6a7f55fa485d9c8b1d43f4cecba03f0d9e423",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-31T07:27:42Z",
    "title_canon_sha256": "e489087f9f53c53366ab7f6f829f46ae1cd6a03f43fb5661f4c48180d677594e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11682",
    "kind": "arxiv",
    "version": 1
  }
}