Pith Number

pith:UBTPYCAQ

pith:2021:UBTPYCAQ5CF65XMUS7XJDXQ35S

not attested not anchored not stored refs pending

The Extinction and Distance of the MBM Molecular Clouds at High Galactic Latitude

Biwei Jiang, He Zhao, Mingxu Sun, Yi Ren

arxiv:2107.07641 v2 · 2021-07-15 · 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{UBTPYCAQ5CF65XMUS7XJDXQ35S}

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	2026-07-05T03:23:44.625903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a066fc0810e88beedd9497ee91de1becb229ae8c7ed6c0290807f01946a9bbf1

Aliases

arxiv: 2107.07641 · arxiv_version: 2107.07641v2 · doi: 10.48550/arxiv.2107.07641 · pith_short_12: UBTPYCAQ5CF6 · pith_short_16: UBTPYCAQ5CF65XMU · pith_short_8: UBTPYCAQ

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/UBTPYCAQ5CF65XMUS7XJDXQ35S \
  | 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: a066fc0810e88beedd9497ee91de1becb229ae8c7ed6c0290807f01946a9bbf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "275695e1a6662203f942a92ba13b5558d2a6e93bfa21decf58bd7538fcc6fdb6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-15T23:29:08Z",
    "title_canon_sha256": "72acde6d5e7743e16009ad61b527a311707ba7d12b91268a5ca6cfd70b44a29a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07641",
    "kind": "arxiv",
    "version": 2
  }
}