Pith Number

pith:XRDRXL2V

pith:2022:XRDRXL2VGJREPIY5FTOCSQI6AV

not attested not anchored not stored refs pending

A spectroscopic multiplicity survey of Galactic Wolf-Rayet stars. III. The northern late-type nitrogen-rich sample

H. Sana, K. Dsilva, P. Marchant, T. Shenar

arxiv:2212.06927 v1 · 2022-12-13 · 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{XRDRXL2VGJREPIY5FTOCSQI6AV}

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	2026-07-05T06:18:09.861219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc471baf55326247a31d2cdc29411e054fe9832909b0536f9720c3daeb7ef88a

Aliases

arxiv: 2212.06927 · arxiv_version: 2212.06927v1 · doi: 10.48550/arxiv.2212.06927 · pith_short_12: XRDRXL2VGJRE · pith_short_16: XRDRXL2VGJREPIY5 · pith_short_8: XRDRXL2V

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/XRDRXL2VGJREPIY5FTOCSQI6AV \
  | 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: bc471baf55326247a31d2cdc29411e054fe9832909b0536f9720c3daeb7ef88a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "591afe61b8af39513ef7fc92def8f7ce166ffa9d2fbfdb21812707ef4ad0f3f1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-12-13T22:48:47Z",
    "title_canon_sha256": "72e770fc08c41816ba16208e50d9fe69ddfac2eecfa51c560874814ac7df0b24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.06927",
    "kind": "arxiv",
    "version": 1
  }
}