Pith Number

pith:YTVT3DBZ

pith:2022:YTVT3DBZEVUQYFT5234ZSHJYCG

not attested not anchored not stored refs pending

Unveiling the disc structure in ultraluminous X-ray source NGC 55 ULX-1

A. C. Fabian, A. D'A\`i, A. Marino, A. Robba, C. Pinto, D. J. Walton, F. Barra, F. Fuerst, F. Pintore, H. Earnshaw, M. Del Santo, P. Kosec, T. Di Salvo, T. P. Roberts

arxiv:2207.12870 v2 · 2022-07-26 · 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{YTVT3DBZEVUQYFT5234ZSHJYCG}

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	2026-07-05T04:53:43.329753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4eb3d8c3925690c167dd6f9991d3811b398e2a896ed16ae2857bbe3e5376494

Aliases

arxiv: 2207.12870 · arxiv_version: 2207.12870v2 · doi: 10.48550/arxiv.2207.12870 · pith_short_12: YTVT3DBZEVUQ · pith_short_16: YTVT3DBZEVUQYFT5 · pith_short_8: YTVT3DBZ

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/YTVT3DBZEVUQYFT5234ZSHJYCG \
  | 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: c4eb3d8c3925690c167dd6f9991d3811b398e2a896ed16ae2857bbe3e5376494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18222fa5101d4a2d795f62abf07f8208df168d321bfc606bbce4aaa1581c40d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-07-26T12:54:58Z",
    "title_canon_sha256": "96b105d2274053c7920fe309e6396a1be65f30f0f454e15d3b6899458d6fe645"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.12870",
    "kind": "arxiv",
    "version": 2
  }
}