Pith Number

pith:WRDYQCQG

pith:2018:WRDYQCQGAX3KSEM3RU2EIQI2K4

not attested not anchored not stored refs pending

A search for hypercompact HII regions in the Galactic Plane

A.Y. Yang, H. Beuther, L. Hindson, M. A. Thompson, S. Bihr, W.W. Tian

arxiv:1809.00404 v2 · 2018-09-02 · 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{WRDYQCQGAX3KSEM3RU2EIQI2K4}

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	2026-05-17T23:59:49.988446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b447880a0605f6a9119b8d3444411a570c259f5fe13f7cc88a75cfb490e0e8e7

Aliases

arxiv: 1809.00404 · arxiv_version: 1809.00404v2 · doi: 10.48550/arxiv.1809.00404 · pith_short_12: WRDYQCQGAX3K · pith_short_16: WRDYQCQGAX3KSEM3 · pith_short_8: WRDYQCQG

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/WRDYQCQGAX3KSEM3RU2EIQI2K4 \
  | 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: b447880a0605f6a9119b8d3444411a570c259f5fe13f7cc88a75cfb490e0e8e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbc541e2757b43e5296988e68b66c6d855d8b902a9bafea99662e274f4c47eb6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-02T22:40:31Z",
    "title_canon_sha256": "d49f433a3ed0152135c36630fbf54fdf6513158934c2b1f787c6f7d85df36ec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00404",
    "kind": "arxiv",
    "version": 2
  }
}