Pith Number

pith:CNWK2C5K

pith:2019:CNWK2C5KILCSYGVBL3HLEEVIZW

not attested not anchored not stored refs pending

A massive nebula around the Luminous Blue Variable star RMC143 revealed by ALMA

Adriano Ingallinera, Alberto Noriega-Crespo, Andrea Mehner, Carla Buemi, Claudia Agliozzo, Corrado Trigilio, Francesco Cavallaro, Giuliano Pignata, Grazia Umana, Jose Groh, Luciano Cerrigone, Neil Matthew Phillips, Paolo Leto, Roberta Paladini

arxiv:1904.08013 v2 · 2019-04-16 · astro-ph.SR · 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{CNWK2C5KILCSYGVBL3HLEEVIZW}

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	2026-05-17T23:42:19.783625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

136cad0baa42c52c1aa15eceb212a8cdbd0443a367344562766ad68e8aa29d6f

Aliases

arxiv: 1904.08013 · arxiv_version: 1904.08013v2 · doi: 10.48550/arxiv.1904.08013 · pith_short_12: CNWK2C5KILCS · pith_short_16: CNWK2C5KILCSYGVB · pith_short_8: CNWK2C5K

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/CNWK2C5KILCSYGVBL3HLEEVIZW \
  | 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: 136cad0baa42c52c1aa15eceb212a8cdbd0443a367344562766ad68e8aa29d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfbd4f3fe7bef1af3b61d8907e7e294eb0964b52224b2cf09f67057e8ca6971c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-16T23:27:09Z",
    "title_canon_sha256": "507e3d64d519359ede66321533a648a2942c5522fa66ddb994e089a1fd6831ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08013",
    "kind": "arxiv",
    "version": 2
  }
}