Pith Number

pith:U3BERY4I

pith:2019:U3BERY4IJVY2OYYEVSQWREFNV6

not attested not anchored not stored refs pending

Optical Counterparts of ULXs and Their Host Environments in NGC 4490/4485

Alexander Vinokurov, Aysun Akyuz, Azamat Valeev, \c{S}\"olen Balman, Hasan Avdan, Inci Akkaya-Oralhan, Naz{\i}m Aksaker, Senay Avdan, Sergei Fabrika

arxiv:1903.05188 v1 · 2019-03-12 · 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{U3BERY4IJVY2OYYEVSQWREFNV6}

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	2026-05-17T23:47:57.709516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6c248e3884d71a76304aca16890adafa932c035ca2afd9d644a657a0ce3bd76

Aliases

arxiv: 1903.05188 · arxiv_version: 1903.05188v1 · doi: 10.48550/arxiv.1903.05188 · pith_short_12: U3BERY4IJVY2 · pith_short_16: U3BERY4IJVY2OYYE · pith_short_8: U3BERY4I

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/U3BERY4IJVY2OYYEVSQWREFNV6 \
  | 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: a6c248e3884d71a76304aca16890adafa932c035ca2afd9d644a657a0ce3bd76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e604b7881eee108fbca280118e32d66f96f6d9d47bde8030a0e8d116a799425",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-12T20:15:55Z",
    "title_canon_sha256": "285e7ff9ada2ae5d38400b660acf03cc52628731354a66a587fa297b0235f57a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05188",
    "kind": "arxiv",
    "version": 1
  }
}