Pith Number

pith:QHEPQPKP

pith:2017:QHEPQPKP3C5GIYCCMDI4OICAXD

not attested not anchored not stored refs pending

Molecular clouds in the extreme outer Galaxy between $l=34.75^{\circ}$ to $45.25^{\circ}$

Ji Yang, Min Fang, Shao-Bo Zhang, Xue-Peng Chen, Yang Su, Yan Sun, Ye Xu, Zhi-Bo Jiang

arxiv:1702.08633 v1 · 2017-02-28 · 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{QHEPQPKP3C5GIYCCMDI4OICAXD}

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	2026-05-18T00:42:01.733695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c8f83d4fd8ba64604260d1c72040b8e13efcc47f19925a477dd2bcfabd4d1e

Aliases

arxiv: 1702.08633 · arxiv_version: 1702.08633v1 · doi: 10.48550/arxiv.1702.08633 · pith_short_12: QHEPQPKP3C5G · pith_short_16: QHEPQPKP3C5GIYCC · pith_short_8: QHEPQPKP

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/QHEPQPKP3C5GIYCCMDI4OICAXD \
  | 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: 81c8f83d4fd8ba64604260d1c72040b8e13efcc47f19925a477dd2bcfabd4d1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ae4502b092a10ad0d31685b0bb8988005480a8dcd4b761682ffdd6d448936ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-28T03:47:03Z",
    "title_canon_sha256": "1ba4d9b446a4700cd5044c2c91697e860f054729035c266b162132947568c4c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08633",
    "kind": "arxiv",
    "version": 1
  }
}