Pith Number

pith:DYMM2EV4

pith:2021:DYMM2EV4WLKUAKF4IAJ2Q2GQZT

not attested not anchored not stored refs pending

Interferometric detections of sdO companions orbiting three classical Be stars

A. C. Carciofi, A. Gallenne, A. Labdon, A. M\'erand, B. R. Setterholm, C. Lanthermann, C. L. Davies, D. Baade, D. R. Gies, G. H. Schaefer, J. D. Monnier, J. Ennis, J. Le Bouquin, L. Wang, N. Anugu, P. Wysocki, R. Klement, S. Kraus, T. Gardner, Th. Rivinius

arxiv:2112.05073 v1 · 2021-12-09 · 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{DYMM2EV4WLKUAKF4IAJ2Q2GQZT}

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	2026-07-05T04:03:00.050889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e18cd12bcb2d54028bc4013a868d0ccf09d543fb0e805841dc463190d6f69bf

Aliases

arxiv: 2112.05073 · arxiv_version: 2112.05073v1 · doi: 10.48550/arxiv.2112.05073 · pith_short_12: DYMM2EV4WLKU · pith_short_16: DYMM2EV4WLKUAKF4 · pith_short_8: DYMM2EV4

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/DYMM2EV4WLKUAKF4IAJ2Q2GQZT \
  | 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: 1e18cd12bcb2d54028bc4013a868d0ccf09d543fb0e805841dc463190d6f69bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf294ec8aeea1196893fa022d09889a2c81ce54ed200ce93ac04d7af11b0f32e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-12-09T17:56:24Z",
    "title_canon_sha256": "6034f6b13a0782d14440b57de0dd11e286849dc04e3ce2dfcbcc0a88d20b42d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.05073",
    "kind": "arxiv",
    "version": 1
  }
}