Pith Number

pith:G2YF3OGN

pith:2010:G2YF3OGN6NSLAQUCPUGQLUXV6O

not attested not anchored not stored refs pending

Four unusual novae observed in Torun: V2362 Cyg, V2467 Cyg, V458 Vul, V2491 Cyg

A. Fidos, A. Karska, A. Schwarzenberg-Czerny, A. Zajczyk, C. Galan, Ch. Buil, E. Ragan, E. Swierczynski, K. Czart, M. Cikala, M. Fagas, M. Klosinska, M. Lewandowski, M. Mikolajewski, M. Wiecek, M. Zielinska, P. Rozanski, P. Wychudzki, S. Frackowiak, T. Brozek, T. Kwiatkowski, T. Radomski, T. Tomov, W. Dimitrow

arxiv:1004.0420 v2 · 2010-04-03 · 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{G2YF3OGN6NSLAQUCPUGQLUXV6O}

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	2026-05-18T02:24:17.802584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36b05db8cdf364b042827d0d05d2f5f3ae08e4f1e6b60b41f2246a8de1e5b85e

Aliases

arxiv: 1004.0420 · arxiv_version: 1004.0420v2 · doi: 10.48550/arxiv.1004.0420 · pith_short_12: G2YF3OGN6NSL · pith_short_16: G2YF3OGN6NSLAQUC · pith_short_8: G2YF3OGN

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/G2YF3OGN6NSLAQUCPUGQLUXV6O \
  | 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: 36b05db8cdf364b042827d0d05d2f5f3ae08e4f1e6b60b41f2246a8de1e5b85e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eb0e4356445742f8464f0c6a879a7148fa03c3c9e2e021d4080de53f9b31e06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-04-03T05:13:51Z",
    "title_canon_sha256": "c69afe74033db1348cd96f2c52e11292f99f457a2fb85ca3a00939f53aefed29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0420",
    "kind": "arxiv",
    "version": 2
  }
}