Pith Number

pith:27J7RORM

pith:2023:27J7RORMHZZSVDDHU4VI5KXZOC

not attested not anchored not stored refs pending

Dense gas and star formation in the Outer Milky Way

Floris F.S. van der Tak, Hao Chen, Jonathan Braine, Min Fang, Philippe Andr\'e, Yan Sun, Yoshito Shimajiri, Yu Gao

arxiv:2306.05013 v1 · 2023-06-08 · 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{27J7RORMHZZSVDDHU4VI5KXZOC}

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	2026-07-05T06:38:59.797818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7d3f8ba2c3e732a8c67a72a8eaaf970ab71d2fe81c8337b361df8943581814f

Aliases

arxiv: 2306.05013 · arxiv_version: 2306.05013v1 · doi: 10.48550/arxiv.2306.05013 · pith_short_12: 27J7RORMHZZS · pith_short_16: 27J7RORMHZZSVDDH · pith_short_8: 27J7RORM

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/27J7RORMHZZSVDDHU4VI5KXZOC \
  | 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: d7d3f8ba2c3e732a8c67a72a8eaaf970ab71d2fe81c8337b361df8943581814f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af3a7337f8123729763405363f8f003a9d8055245b150f3ab4e37283b0cda339",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-06-08T08:07:36Z",
    "title_canon_sha256": "a2cf2bd7a3109f8510b13bb8e6d9d4b300cbfb185cab9430bbf9fa91e851ca9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.05013",
    "kind": "arxiv",
    "version": 1
  }
}