Pith Number

pith:XQER3D23

pith:2019:XQER3D236M5IDCSCHBRHZDJG3S

not attested not anchored not stored refs pending

NIKA2 observations around LBV stars: emission from stars and circumstellar material

A. Ritacco, C. Bordiu, J. Ricardo Rizzo

arxiv:1909.06089 v1 · 2019-09-13 · 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{XQER3D236M5IDCSCHBRHZDJG3S}

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	2026-07-05T02:15:21.505454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc091d8f5bf33a818a4238627c8d26dc8a4186735f505d743fa1bc9d582a93e6

Aliases

arxiv: 1909.06089 · arxiv_version: 1909.06089v1 · doi: 10.48550/arxiv.1909.06089 · pith_short_12: XQER3D236M5I · pith_short_16: XQER3D236M5IDCSC · pith_short_8: XQER3D23

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/XQER3D236M5IDCSCHBRHZDJG3S \
  | 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: bc091d8f5bf33a818a4238627c8d26dc8a4186735f505d743fa1bc9d582a93e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d0bfbbd4b4e8d2966b7e931f0d29a8dcc342ce7522cac08f3bab608fc9450c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-13T08:53:46Z",
    "title_canon_sha256": "704b512faecc5e25a18e20ad9754864c8657e8825384c8933647416522b28d30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.06089",
    "kind": "arxiv",
    "version": 1
  }
}