Pith Number

pith:NCQ7WGQA

pith:2019:NCQ7WGQAOCMVMNPXHM4PROVKLZ

not attested not anchored not stored refs pending

The Evolution of Luminous Red Nova AT 2017jfs in NGC 4470

A. de Ugarte Postigo, A. Floers, A. F. Valeev, A. Morales-Garoffolo, A. M. Tatarnikov, A. Pastorello, A. Reguitti, A. Sagues Carracedo, B. Stalder, C. C. Thoene, C. Inserra, C. Vogl, D. A. Kann, D. R. Young, E. A. Barsukova, E. Callis, E. Kankare, E. Mason, F. Bufano, F. Onori, G. Cannizzaro, G. Valerin, H. Kuncarayakti, I. R. Losada, K. Maguire, K. W. Smith, L. Izzo, L. Tartaglia, M. Berton, M. Fraser, N. Elias-Rosa, Ping Chen, R. Cartier, S. Benetti, S. Bose, S. Dyrbye, S. Geier, S. J. Smartt, Subo Dong, T. Reynolds, T. Schweyer, T.-W. Chen, T. Wevers, V. P. Goranskij, Y.-Z. Cai, Z. Cano

arxiv:1906.00811 v1 · 2019-06-03 · 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{NCQ7WGQAOCMVMNPXHM4PROVKLZ}

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	2026-05-17T23:44:23.811583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68a1fb1a0070995635f73b38f8baaa5e773b0e5e3d290f817445869f0e7c50a4

Aliases

arxiv: 1906.00811 · arxiv_version: 1906.00811v1 · doi: 10.48550/arxiv.1906.00811 · pith_short_12: NCQ7WGQAOCMV · pith_short_16: NCQ7WGQAOCMVMNPX · pith_short_8: NCQ7WGQA

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/NCQ7WGQAOCMVMNPXHM4PROVKLZ \
  | 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: 68a1fb1a0070995635f73b38f8baaa5e773b0e5e3d290f817445869f0e7c50a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22363e02cd93f66bf4b94f0732de3a1c9ab439cc785ed307d485f2982e9f0250",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-03T13:47:06Z",
    "title_canon_sha256": "40f7570aea28628831b934de228ba902a4f0726fb84ffe2834b1a00c7790ad81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00811",
    "kind": "arxiv",
    "version": 1
  }
}