Pith Number

pith:D7SFY27B

pith:2017:D7SFY27BHFDWXUYSUTPYEWGMYU

not attested not anchored not stored refs pending

The variability of the BRITE-est Wolf-Rayet binary, $\gamma^2$ Velorum I. Photometric and spectroscopic evidence for colliding winds

Adam Popowicz, Andr\'e-Nicolas Chen\'e, Andrzej Pigulski, Anthony F. J. Moffat, Bernard Heathcote, Brent Miszalski, Christopher M. P. Russell, Enrico J. Kotze, Gerald Handler, Grant M. Hill, Gregg A. Wade, Herbert Pablo, Jonathan Powles, Kenji Hamuguchi, Lucas St-Jean, Malcolm Locke, Marissa M. Kotze, Michael Corcoran, Nicole St-Louis, Noel D. Richardson, Paul Luckas, Paulo Cacella, Rainer Kuschnig, Tahina Ramiaramanantsoa, Terry Bohlsen, Thomas Eversberg, Tomer Shenar, Wayne Waldron, Werner W. Weiss

arxiv:1707.03390 v1 · 2017-07-11 · 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{D7SFY27BHFDWXUYSUTPYEWGMYU}

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	2026-05-18T00:38:01.791682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fe45c6be139476bd312a4df8258ccc527b08006409a13ea232286199e81ac35

Aliases

arxiv: 1707.03390 · arxiv_version: 1707.03390v1 · doi: 10.48550/arxiv.1707.03390 · pith_short_12: D7SFY27BHFDW · pith_short_16: D7SFY27BHFDWXUYS · pith_short_8: D7SFY27B

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/D7SFY27BHFDWXUYSUTPYEWGMYU \
  | 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: 1fe45c6be139476bd312a4df8258ccc527b08006409a13ea232286199e81ac35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56ec611d3a5cdf38ff3c0d328afe2f272dd273eaf1c7bc9333b80cc5e745ea11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-11T17:59:56Z",
    "title_canon_sha256": "ea2a2603624732d64329c7447aac2d54fc595ea896f1c0cff4bb8171667287c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03390",
    "kind": "arxiv",
    "version": 1
  }
}