Pith Number

pith:4ZG4OEQD

pith:2022:4ZG4OEQDJE6IO35CB42ZGKCW3E

not attested not anchored not stored refs pending

Simplified Method for the Identification of Low Mass Ratio Contact Binary Systems that are Potential Red Nova Progenitors

Ain Y. De Horta, Bojan Arbutina, Gojko Djurasevic, Jelena Petrovic, Miroslav D. Filipovic, Nick F. H. Tothill, Surjit S. Wadhwa

arxiv:2208.00626 v1 · 2022-08-01 · 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{4ZG4OEQDJE6IO35CB42ZGKCW3E}

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	2026-07-05T05:25:04.250953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e64dc71203493c876fa20f35932856d93a9bfc398e79f0d28e33274b41325f1d

Aliases

arxiv: 2208.00626 · arxiv_version: 2208.00626v1 · doi: 10.48550/arxiv.2208.00626 · pith_short_12: 4ZG4OEQDJE6I · pith_short_16: 4ZG4OEQDJE6IO35C · pith_short_8: 4ZG4OEQD

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/4ZG4OEQDJE6IO35CB42ZGKCW3E \
  | 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: e64dc71203493c876fa20f35932856d93a9bfc398e79f0d28e33274b41325f1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dce980811ddd6e7deea8a994afd83a3c9d2e4e5cc8427cf4af1d6ead0e51955c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-08-01T06:04:06Z",
    "title_canon_sha256": "cbb7a13fa9a55189b911770fb9cb26cd333a2b91bcb022b19add425d10c215ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.00626",
    "kind": "arxiv",
    "version": 1
  }
}