Pith Number

pith:5S7EFNLC

pith:2025:5S7EFNLCWMIVC54UWLN5P6I5G2

not attested not anchored not stored refs pending

A Spectroscopic Search for Dormant Black Holes in Low-Metallicity Binaries

Casey Y. Lam, Hans-Walter Rix, Henrique Reggiani, Howard Isaacson, Jessica Lu, Johanna M\"uller-Horn, Joshua D. Simon, Kareem El-Badry, Pranav Nagarajan, Rene Andrae, Rhys Seeburger, Vedant Chandra

arxiv:2507.12532 v2 · 2025-07-16 · 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{5S7EFNLCWMIVC54UWLN5P6I5G2}

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

Classical Be Stars and Classical Be Star Binaries from LAMOST DR12

Receipt and verification

First computed	2026-07-05T12:00:04.282128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecbe42b562b311517794b2dbd7f91d36b4969798b6d90d86f3fc82917d5215da

Aliases

arxiv: 2507.12532 · arxiv_version: 2507.12532v2 · doi: 10.48550/arxiv.2507.12532 · pith_short_12: 5S7EFNLCWMIV · pith_short_16: 5S7EFNLCWMIVC54U · pith_short_8: 5S7EFNLC

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/5S7EFNLCWMIVC54UWLN5P6I5G2 \
  | 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: ecbe42b562b311517794b2dbd7f91d36b4969798b6d90d86f3fc82917d5215da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0be7b532f6273e7aabb4ddeeba949bbff8af8bd4e508bbbcdc66e81799e73fc7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-07-16T18:00:08Z",
    "title_canon_sha256": "8a0597e52009d6b31fce132bd36282204c55f9a4a1b094b65c83930a1d6caf87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.12532",
    "kind": "arxiv",
    "version": 2
  }
}