Pith Number

pith:FLZ7IBTJ

pith:2020:FLZ7IBTJEFSZHYU3IEK6FO7KKM

not attested not anchored not stored refs pending

Distances to molecular clouds in the second Galactic quadrant

Chen Wang, Hongchi Wang, Ji Yang, Qing-Zeng Yan, Xin Zhou, Yang Su, Yan Sun, Ye Xu

arxiv:2012.09500 v1 · 2020-12-17 · 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{FLZ7IBTJEFSZHYU3IEK6FO7KKM}

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	2026-07-05T02:12:26.534199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2af3f40669216593e29b4115e2bbea53138ae8c469fd2fd64246f61d2ca95cab

Aliases

arxiv: 2012.09500 · arxiv_version: 2012.09500v1 · doi: 10.48550/arxiv.2012.09500 · pith_short_12: FLZ7IBTJEFSZ · pith_short_16: FLZ7IBTJEFSZHYU3 · pith_short_8: FLZ7IBTJ

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/FLZ7IBTJEFSZHYU3IEK6FO7KKM \
  | 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: 2af3f40669216593e29b4115e2bbea53138ae8c469fd2fd64246f61d2ca95cab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a1e581a4c46710aceaf4da55dd21f1fe054d5531f72f44f0a540c9d56e9f96",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-17T10:59:43Z",
    "title_canon_sha256": "f074b32c41065a467fb0a2488b8dc8935352f1e0824a37ee6fe59af7f5348d00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09500",
    "kind": "arxiv",
    "version": 1
  }
}