Pith Number

pith:I2WXPTXO

pith:2019:I2WXPTXOFHBMJWFEXMJWJ6W6JN

not attested not anchored not stored refs pending

New Luminous Blue Variable Candidates in NGC 4736

A. Kostenkov, A. Moskvitin, A. Sarkisyan, A. Valeev, A. Vinokurov, E. Nikolaeva, K. Atapin, O. Sholukhova, O. Spiridonova, S. Fabrika, Y. Solovyeva

arxiv:1901.05277 v1 · 2019-01-16 · astro-ph.SR · 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{I2WXPTXOFHBMJWFEXMJWJ6W6JN}

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	2026-05-17T23:55:52.640562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46ad77ceee29c2c4d8a4bb1364fade4b41dfba32e50b676f5a964cf00ae742b8

Aliases

arxiv: 1901.05277 · arxiv_version: 1901.05277v1 · doi: 10.48550/arxiv.1901.05277 · pith_short_12: I2WXPTXOFHBM · pith_short_16: I2WXPTXOFHBMJWFE · pith_short_8: I2WXPTXO

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/I2WXPTXOFHBMJWFEXMJWJ6W6JN \
  | 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: 46ad77ceee29c2c4d8a4bb1364fade4b41dfba32e50b676f5a964cf00ae742b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1444f46cfdb8fa09c8693a79b4dfc9c5abc6c4b8e94225c59950d17cb844b068",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-16T13:46:41Z",
    "title_canon_sha256": "d591265326a0c7d43e3aa2897de9eb9d8afb4fb45beea5e1ff193b7bbafcab13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05277",
    "kind": "arxiv",
    "version": 1
  }
}