Pith Number

pith:ROV5QJ76

pith:2019:ROV5QJ76GFPQF63ZB7HVVGW3BD

not attested not anchored not stored refs pending

New powerful outburst of the unusual young star V1318 Cyg S (LkH{\alpha} 225)

H.R. Andreasyan, M.H. Gevorgyan, T.A. Movsessian, T.Yu. Magakian

arxiv:1904.09414 v1 · 2019-04-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ROV5QJ76GFPQF63ZB7HVVGW3BD}

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	2026-05-17T23:47:16.450543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8babd827fe315f02fb790fcf5a9adb08f46682e322662eb5f1da8b51bcc2cf16

Aliases

arxiv: 1904.09414 · arxiv_version: 1904.09414v1 · doi: 10.48550/arxiv.1904.09414 · pith_short_12: ROV5QJ76GFPQ · pith_short_16: ROV5QJ76GFPQF63Z · pith_short_8: ROV5QJ76

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/ROV5QJ76GFPQF63ZB7HVVGW3BD \
  | 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: 8babd827fe315f02fb790fcf5a9adb08f46682e322662eb5f1da8b51bcc2cf16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cad1d84ee49ef8e4a91100c6f4d7728f8435c574d064532f49784d82afd01cab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-20T07:55:39Z",
    "title_canon_sha256": "94874d5d3af16fc37fec13ed10fb777eaa043b01940b72d316d97c20e3a28644"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09414",
    "kind": "arxiv",
    "version": 1
  }
}