Pith Number

pith:SYNPH4SC

pith:2019:SYNPH4SCLR37DPTIOZGQCF7YNC

not attested not anchored not stored refs pending

Binary Red Supergiants II: Discovering and Characterizing B-type Companions

Emily M. Levesque, Kathryn F. Neugent, Nidia I. Morrell, Philip Massey

arxiv:1903.06181 v1 · 2019-03-14 · 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{SYNPH4SCLR37DPTIOZGQCF7YNC}

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.

Cited by

1 paper in Pith

Red novae, their progenitors, and remnants

Receipt and verification

First computed	2026-05-17T23:47:25.319003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

961af3f2425c77f1be68764d0117f8689f090e51dec81076a1ba7f7bdffdfa51

Aliases

arxiv: 1903.06181 · arxiv_version: 1903.06181v1 · doi: 10.48550/arxiv.1903.06181 · pith_short_12: SYNPH4SCLR37 · pith_short_16: SYNPH4SCLR37DPTI · pith_short_8: SYNPH4SC

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/SYNPH4SCLR37DPTIOZGQCF7YNC \
  | 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: 961af3f2425c77f1be68764d0117f8689f090e51dec81076a1ba7f7bdffdfa51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ce467c61d284f8418dd76d2b1bd3c258c85145da5b79ef7ced79602067e6291",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-14T18:00:04Z",
    "title_canon_sha256": "cf684b7cbbcb35937de0f4dda308b9c72503b6c6aa8875689c3cb71474aef1a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06181",
    "kind": "arxiv",
    "version": 1
  }
}