Pith Number

pith:643YWLVS

pith:2025:643YWLVSGNWJU7MH5C72T5UZZZ

not attested not anchored not stored refs pending

A Spectroscopic and Interferometric Study of W Serpentis Stars. I. Circumbinary Outflow in the Interacting Binary W Serpentis

Cyprien Lanthermann, Douglas R. Gies, Fabien R. Baron, Gail H. Schaefer, John D. Monnier, Katherine Shepard, Narsireddy Anugu, Stefan Kraus, Theo ten Brummelaar

arxiv:2501.06982 v1 · 2025-01-13 · 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{643YWLVSGNWJU7MH5C72T5UZZZ}

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	2026-07-05T10:00:13.377214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7378b2eb2336c9a7d87e8bfa9f699ce5f8a1794ac202edff3b3c5baf936e4b8

Aliases

arxiv: 2501.06982 · arxiv_version: 2501.06982v1 · doi: 10.48550/arxiv.2501.06982 · pith_short_12: 643YWLVSGNWJ · pith_short_16: 643YWLVSGNWJU7MH · pith_short_8: 643YWLVS

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/643YWLVSGNWJU7MH5C72T5UZZZ \
  | 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: f7378b2eb2336c9a7d87e8bfa9f699ce5f8a1794ac202edff3b3c5baf936e4b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d64a1c574dcb46fcc9f04d0182169d1f3c662b297ae2d16a32efccdcf4e06b6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-01-13T00:17:34Z",
    "title_canon_sha256": "e13b4f26f042c31d24b514ba65cffdaaecd74c9328772f6822723cd7eea7a798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.06982",
    "kind": "arxiv",
    "version": 1
  }
}