Pith Number

pith:QQSIKOGE

pith:2026:QQSIKOGECGJ4ZCYHWWNHIP5W42

not attested not anchored not stored refs pending

PMO Polaris CO survey. II. Where is the dust?

Bing Gang Ju, Chao Zhang, Dengrong Lu, Fujun Du, Lianghao Lin, Lixia Yuan, Paul F Goldsmith, Ping Yan, Shengyu Jin, Tianwei Zhang, Xunchuan Liu, Yongxing Zhang, Zhihong He

arxiv:2606.19694 v1 · 2026-06-18 · 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{QQSIKOGECGJ4ZCYHWWNHIP5W42}

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	2026-06-19T16:12:32.388457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84248538c41193cc8b07b59a743fb6e68d532c671ad51b408f20d7978055809f

Aliases

arxiv: 2606.19694 · arxiv_version: 2606.19694v1 · doi: 10.48550/arxiv.2606.19694 · pith_short_12: QQSIKOGECGJ4 · pith_short_16: QQSIKOGECGJ4ZCYH · pith_short_8: QQSIKOGE

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/QQSIKOGECGJ4ZCYHWWNHIP5W42 \
  | 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: 84248538c41193cc8b07b59a743fb6e68d532c671ad51b408f20d7978055809f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95367e90c14daad3a9ad047d2a2da3a27d93f0322b3d0e13f642ea2dba589537",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-18T01:46:44Z",
    "title_canon_sha256": "447a7b359a61bacb88542c3c489ec610eb8e73fc92cdca7c2161089a2f27ef30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19694",
    "kind": "arxiv",
    "version": 1
  }
}