Pith Number

pith:VKPKBBRJ

pith:2023:VKPKBBRJDSJBLTBW53OZZVRIEY

not attested not anchored not stored refs pending

X-ray Polarimetry as a Tool to Measure the Black Hole Spin in Microquasars: Simulations of IXPE Capabilities

Giorgio Matt, Jiri Svoboda, Michal Bursa, Michal Dovciak, Niccolo Di Lalla, Roberto Taverna, Romana Mikusincova, Wenda Zhang

arxiv:2301.04002 v2 · 2023-01-10 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKPKBBRJDSJBLTBW53OZZVRIEY}

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.

Receipt and verification

First computed	2026-07-05T05:32:13.078075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa9ea086291c9215cc36eedd9cd628261b0cdbc18d69cf169c85d238a99a8c18

Aliases

arxiv: 2301.04002 · arxiv_version: 2301.04002v2 · doi: 10.48550/arxiv.2301.04002 · pith_short_12: VKPKBBRJDSJB · pith_short_16: VKPKBBRJDSJBLTBW · pith_short_8: VKPKBBRJ

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/VKPKBBRJDSJBLTBW53OZZVRIEY \
  | 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: aa9ea086291c9215cc36eedd9cd628261b0cdbc18d69cf169c85d238a99a8c18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "702d7c0f6260934bb04e6a02a0f9f224e321b7aecfb99e5262f47886ab854571",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-01-10T14:49:52Z",
    "title_canon_sha256": "cdd199c062aa9b124e3db247564ec210ac66fdafe649a90218d11447dbbb6b47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.04002",
    "kind": "arxiv",
    "version": 2
  }
}