Pith Number

pith:YQ7YEUED

pith:2025:YQ7YEUEDIEIJWDR7LQCCEKFDJA

not attested not anchored not stored refs pending

Identification of recurrent novae from parametric modeling of the optical light curve

Nirupam Roy, Rajarshi Barman

arxiv:2509.05128 v1 · 2025-09-05 · astro-ph.SR · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQ7YEUEDIEIJWDR7LQCCEKFDJA}

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	2026-07-05T12:05:36.514878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c43f82508341109b0e3f5c042228a3483c94b1f96b633951e1bb28973495c49a

Aliases

arxiv: 2509.05128 · arxiv_version: 2509.05128v1 · doi: 10.48550/arxiv.2509.05128 · pith_short_12: YQ7YEUEDIEIJ · pith_short_16: YQ7YEUEDIEIJWDR7 · pith_short_8: YQ7YEUED

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/YQ7YEUEDIEIJWDR7LQCCEKFDJA \
  | 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: c43f82508341109b0e3f5c042228a3483c94b1f96b633951e1bb28973495c49a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "441cb2a8a27bd1af4e8dbbc114ef34b590a37f54d497d365e646a4014005ad1b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-09-05T14:14:01Z",
    "title_canon_sha256": "99c96d6741bcab44892765dfd1a8a5988eddd89684d307ed38bd67ed2b891c64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05128",
    "kind": "arxiv",
    "version": 1
  }
}