Pith Number

pith:IM2X7D3H

pith:2019:IM2X7D3HTRWGBOZAG2WUGCDD6U

not attested not anchored not stored refs pending

The Distances to Molecular Clouds at High Galactic Latitudes based on GAIA DR2

A. J. Walsh, Bo Zhang, J. P. Macquart, Qing-Zeng Yan, Sufen Guo, Ye Xu, Zheng-Hong Tang

arxiv:1902.02052 v1 · 2019-02-06 · 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{IM2X7D3HTRWGBOZAG2WUGCDD6U}

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	2026-05-17T23:49:39.284644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43357f8f679c6c60bb2036ad430863f51a66e4fcac20b29f5954867a171a5b54

Aliases

arxiv: 1902.02052 · arxiv_version: 1902.02052v1 · doi: 10.48550/arxiv.1902.02052 · pith_short_12: IM2X7D3HTRWG · pith_short_16: IM2X7D3HTRWGBOZA · pith_short_8: IM2X7D3H

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/IM2X7D3HTRWGBOZAG2WUGCDD6U \
  | 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: 43357f8f679c6c60bb2036ad430863f51a66e4fcac20b29f5954867a171a5b54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28ca92b863b85354ee8204cebf3198714bfbad557a5bf206fd7392685608fd3c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-06T07:40:07Z",
    "title_canon_sha256": "78f3864d4410e90c01dd0de6d12dd0d881ba3c368a497f7f8df13ed9be7de245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02052",
    "kind": "arxiv",
    "version": 1
  }
}