Pith Number

pith:KLSSY6EB

pith:2026:KLSSY6EBLCHJRMAKYYHMREHAAN

not attested not anchored not stored refs resolved

Searching for Isolated Black Hole Candidates within 15 pc of the Solar System in Gaia DR3

Abdurakhmon Nosirov, Andrea Santangelo, Cosimo Bambi, Fu-Guo Xie, Jiachen Jiang, Jos de Bruijne, Leda Gao

Gaia DR3 search within 15 pc identifies five astrometric black hole candidates but dismisses them all as spurious after multi-wavelength checks.

arxiv:2601.14499 v2 · 2026-01-20 · astro-ph.HE · gr-qc

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\usepackage{pith}
\pithnumber{KLSSY6EBLCHJRMAKYYHMREHAAN}

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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.

Claims

C1strongest claim

We have searched the Gaia DR3 catalog for candidate isolated black holes accreting from the interstellar medium and identified five sources. All candidates lie close to the Galactic plane, making them likely spurious astrometric solutions... Our search for infrared and radio emission from these sources further suggests that they are unlikely to be black holes accreting from the interstellar medium.

C2weakest assumption

The models used to predict detectable accretion spectra and flux thresholds carry large uncertainties, as stated in the abstract; if those spectra are inaccurate, the dismissal of the five candidates as non-black-hole sources could be invalid.

C3one line summary

No credible isolated black hole candidates were found in a Gaia DR3 search within 15 pc of the Sun after multi-wavelength checks dismissed five sources as probable artifacts.

References

52 extracted · 52 resolved · 2 Pith anchors

[1] P., Abbott, R., Abbott, T 2016 · doi:10.1103/physrevlett.116.221101

[2] Abdulghani, Y., Lohfink, A. M., & Chauhan, J. 2025, MNRAS, 541, 553, doi: 10.1093/mnras/staf979 2025 · doi:10.1093/mnras/staf979

[3] Estimating distances from parallaxes. V: Geometric and photogeometric distances to 1.47 billion stars in Gaia Early Data Release 3 2021 · doi:10.3847/1538-3881/abd806

[4] 2017a, Reviews of Modern Physics, 89, 025001, doi: 10.1103/RevModPhys.89.025001 — 2025 · doi:10.1103/revmodphys.89.025001

[5] 2024, Recent Progress on Gravity Tests 2024 · doi:10.1007/978-981-97-2871-8

Formal links

2 machine-checked theorem links

Cited by

1 paper in Pith

Testing Black Holes with Interstellar Missions: I. Orbiting Probes

Receipt and verification

First computed	2026-06-03T01:05:09.257351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52e52c7881588e98b00ac60ec890e00356a078534519322e097d9689779c3af6

Aliases

arxiv: 2601.14499 · arxiv_version: 2601.14499v2 · doi: 10.48550/arxiv.2601.14499 · pith_short_12: KLSSY6EBLCHJ · pith_short_16: KLSSY6EBLCHJRMAK · pith_short_8: KLSSY6EB

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/KLSSY6EBLCHJRMAKYYHMREHAAN \
  | 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: 52e52c7881588e98b00ac60ec890e00356a078534519322e097d9689779c3af6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "269358558bc928ddcdca674b582a208e01ba4c7080244b49d9d6f4fd6ceabd4b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-01-20T21:42:25Z",
    "title_canon_sha256": "c2aebe2220237445000e3aad44f7971744c107ad944c389b549d641a4f128a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.14499",
    "kind": "arxiv",
    "version": 2
  }
}