Pith Number

pith:RQ2N5FP7

pith:2021:RQ2N5FP7SRXCJWRFUULIAHHCJX

not attested not anchored not stored refs pending

Optical Counterparts of ULXs in Two Dwarf Galaxies: NGC 4861 and NGC 4449

A. Akyuz, A. Vinokurov, D. Bizyaev, \.I. Akkaya Oralhan, K. Atapin, M. Ozdogan Ela, N. Aksaker, S. Allak, S. Avdan, Y. Solovyeva

arxiv:2105.02302 v1 · 2021-05-05 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQ2N5FP7SRXCJWRFUULIAHHCJX}

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	2026-07-05T03:00:52.994737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c34de95ff946e24da25a516801ce24dda491165f695e0ad4ea791c80d9456d1

Aliases

arxiv: 2105.02302 · arxiv_version: 2105.02302v1 · doi: 10.48550/arxiv.2105.02302 · pith_short_12: RQ2N5FP7SRXC · pith_short_16: RQ2N5FP7SRXCJWRF · pith_short_8: RQ2N5FP7

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/RQ2N5FP7SRXCJWRFUULIAHHCJX \
  | 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: 8c34de95ff946e24da25a516801ce24dda491165f695e0ad4ea791c80d9456d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e23bfab5f8c2668f45bbb1e032498e744d7e302f0ea52d13feed2019127007b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-05-05T19:53:11Z",
    "title_canon_sha256": "d690bef8a55da4c2b30278ec706feccbba83764305c51d66a30e47c76d736c97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02302",
    "kind": "arxiv",
    "version": 1
  }
}