Pith Number

pith:XOPH4AEV

pith:2023:XOPH4AEVYTDMYI5OI5IYC2RMZJ

not attested not anchored not stored refs pending

Optical Counterparts of Two Candidate Ultraluminous X-ray Sources in NGC 4536

A. E. Kostenkov, A. Vinokurov, D. Goktas, E. G\"o\u{g}\"u\c{s}, E. Sonbas, E. S. Shablovinskaya, H. Avdan, K. S. Dhuga, S. Avdan, Y. N. Solovyeva

arxiv:2303.12141 v1 · 2023-03-21 · 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{XOPH4AEVYTDMYI5OI5IYC2RMZJ}

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	2026-07-05T05:55:22.533378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb9e7e0095c4c6cc23ae4751816a2cca42c35467d483945818a31feac7b02be8

Aliases

arxiv: 2303.12141 · arxiv_version: 2303.12141v1 · doi: 10.48550/arxiv.2303.12141 · pith_short_12: XOPH4AEVYTDM · pith_short_16: XOPH4AEVYTDMYI5O · pith_short_8: XOPH4AEV

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/XOPH4AEVYTDMYI5OI5IYC2RMZJ \
  | 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: bb9e7e0095c4c6cc23ae4751816a2cca42c35467d483945818a31feac7b02be8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "698b1b2b1bbacc1d98bd9bc48bbf1d0d951e654ec26e6416c0a66c9fc75c0bf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-03-21T18:59:57Z",
    "title_canon_sha256": "ba9fbd77c43223c19ac56c7e30b4ce2766b7c4e2e5f4e1cd14cb690463cfd24f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.12141",
    "kind": "arxiv",
    "version": 1
  }
}