Pith Number

pith:S2PV5JE7

pith:2018:S2PV5JE7LXIEZFNRBVISKCRK3A

not attested not anchored not stored refs pending

Discovery of a new classical nova shell around a nova-like cataclysmic variable

Alexandre Alarie, Chantal P. Gonzalez, Christophe Morisset, Edgar Santamaria, Gagik Tovmassian, Gerardo Ramos-Larios, Laurence Sabin, Luis C. Bermudez Bustamante, Martin A. Guerrero, Nick J. Wright, Raul Michel

arxiv:1803.05425 v1 · 2018-03-14 · 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{S2PV5JE7LXIEZFNRBVISKCRK3A}

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	2026-05-18T00:17:04.056538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

969f5ea49f5dd04c95b10d51250a2ad81970cd4912eeedb40a545e2e57680cd3

Aliases

arxiv: 1803.05425 · arxiv_version: 1803.05425v1 · doi: 10.48550/arxiv.1803.05425 · pith_short_12: S2PV5JE7LXIE · pith_short_16: S2PV5JE7LXIEZFNR · pith_short_8: S2PV5JE7

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/S2PV5JE7LXIEZFNRBVISKCRK3A \
  | 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: 969f5ea49f5dd04c95b10d51250a2ad81970cd4912eeedb40a545e2e57680cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87c109031bd3f425a4268b0cc37e25c028135d36ffee94f8acaf6ad42c198513",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-14T17:58:41Z",
    "title_canon_sha256": "4316cbc513f2513dd834975adddae55eaf5f17e6f52ff712dd39802eb514745c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05425",
    "kind": "arxiv",
    "version": 1
  }
}