Pith Number

pith:R57EVRDJ

pith:2025:R57EVRDJXO6S6PODMBWBA522PV

not attested not anchored not stored refs pending

Unveiling a 36 Billion Solar Mass Black Hole at the Centre of the Cosmic Horseshoe Gravitational Lens

Ana L. Chies-Santos, Carlos R. Melo-Carneiro, Cristina Furlanetto, Lindsay J. Oldham, Thomas E. Collett, Tian Li, Wolfgang J. R. Enzi

arxiv:2502.13788 v3 · 2025-02-19 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R57EVRDJXO6S6PODMBWBA522PV}

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

Disentangling the dark and stellar mass through precise lens modelling of the JWST observation of lensed quasar WFI2033--4723

Lensed stars in galaxy-galaxy strong lensing -- a JWST prediction for the Cosmic Horseshoe

Shadows of Giants: Constraints on Stupendously Large Black Holes from Negative Sources against the Cosmic Microwave Background

Receipt and verification

First computed	2026-07-05T11:59:57.530591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7e4ac469bbbd2f3dc3606c10775a7d52257ba9eaa0b5fbabe76cf0e87f65d3

Aliases

arxiv: 2502.13788 · arxiv_version: 2502.13788v3 · doi: 10.48550/arxiv.2502.13788 · pith_short_12: R57EVRDJXO6S · pith_short_16: R57EVRDJXO6S6POD · pith_short_8: R57EVRDJ

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/R57EVRDJXO6S6PODMBWBA522PV \
  | 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: 8f7e4ac469bbbd2f3dc3606c10775a7d52257ba9eaa0b5fbabe76cf0e87f65d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e0802c26c9ad41d22d33513c8c622f9d137f0cd6ac222a7f9a127517094aee5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-19T14:57:39Z",
    "title_canon_sha256": "f258f4703c8edf17e1643833fca6596e6569f7f3595681726bc193bae1d94c99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.13788",
    "kind": "arxiv",
    "version": 3
  }
}