Pith Number

pith:SPAX7WCZ

pith:2021:SPAX7WCZ6WHMNSGMPCGA5CLNQB

not attested not anchored not stored refs pending

A Unicorn in Monoceros: the $3M_\odot$ dark companion to the bright, nearby red giant V723 Mon is a non-interacting, mass-gap black hole candidate

A. W. Howard, C. Badenes, C. S. Kochanek, D. Huber, D. Martin, D. M. Rowan, F.-J. Hambsch, H. Isaacson, I. Ilyin, J. L. Prieto, J. T. Hinkle, K. Auchettl, K. G. Strassmeier, K. Z. Stanek, L. A. Lopez, M. Weber, P. J. Vallely, S. J. Murphy, T. Jayasinghe, Todd A. Thompson, T. Pessi

arxiv:2101.02212 v2 · 2021-01-06 · astro-ph.SR · astro-ph.HE · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPAX7WCZ6WHMNSGMPCGA5CLNQB}

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

3 papers in Pith

Fast gravitational waveform models for quasi-circular coalescences of neutron star--black hole binaries

Tests of General Relativity with GW230529: a neutron star merging with a lower mass-gap compact object

GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run

Receipt and verification

First computed	2026-07-05T02:39:10.434242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c17fd859f58ec6c8cc788c0e896d80446cafc52146ce7f2915a04807de4e39

Aliases

arxiv: 2101.02212 · arxiv_version: 2101.02212v2 · doi: 10.48550/arxiv.2101.02212 · pith_short_12: SPAX7WCZ6WHM · pith_short_16: SPAX7WCZ6WHMNSGM · pith_short_8: SPAX7WCZ

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/SPAX7WCZ6WHMNSGMPCGA5CLNQB \
  | 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: 93c17fd859f58ec6c8cc788c0e896d80446cafc52146ce7f2915a04807de4e39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "769a55712f28ad29282ccf8d1ae422ad0ba17a8ac7eeadabf8b99da7b2c046cf",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-01-06T19:00:01Z",
    "title_canon_sha256": "4e2af69e7f892cd69d9c9d61545cc092cfea00ff5b6f6209d2b6133ee9b083c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02212",
    "kind": "arxiv",
    "version": 2
  }
}