Pith Number

pith:H33UIPMJ

pith:2022:H33UIPMJBHXXDDQAU6WMFVTHT5

not attested not anchored not stored refs pending

A multiwavelength study of the W33 Main ultracompact HII region

Andreas Brunthaler, Dharam V. Lal, F. Wyrowski, H. Nguyen, Jagadheep D. Pandian, Karl M. Menten, Michael R. Rugel, S. A. Dzib, Sarwar Khan, S-N. X. Medina

arxiv:2205.15697 v1 · 2022-05-31 · 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{H33UIPMJBHXXDDQAU6WMFVTHT5}

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	2026-07-05T04:50:57.871098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ef7443d8909ef718e00a7acc2d6679f408819f4bf3af99ad3fbb527a52818dd

Aliases

arxiv: 2205.15697 · arxiv_version: 2205.15697v1 · doi: 10.48550/arxiv.2205.15697 · pith_short_12: H33UIPMJBHXX · pith_short_16: H33UIPMJBHXXDDQA · pith_short_8: H33UIPMJ

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/H33UIPMJBHXXDDQAU6WMFVTHT5 \
  | 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: 3ef7443d8909ef718e00a7acc2d6679f408819f4bf3af99ad3fbb527a52818dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff74e8d063c6853d5bb8f4388650fc2eb6b3733102fcc1317312cd601eb32b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-31T11:22:44Z",
    "title_canon_sha256": "f14ddf7d6676a3311edfc7b2ad2158e376582692bd0416cc6d1f2e11e41e2b9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.15697",
    "kind": "arxiv",
    "version": 1
  }
}