Pith Number

pith:EBB2CNE3

pith:2018:EBB2CNE37PTII3T5COI6EZRLUF

not attested not anchored not stored refs pending

A Light Curve Analysis of Recurrent and Very Fast Novae in our Galaxy, Magellanic Clouds, and M31

Izumi Hachisu, Mariko Kato

arxiv:1805.09932 v1 · 2018-05-24 · 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{EBB2CNE37PTII3T5COI6EZRLUF}

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	2026-05-18T00:10:37.352612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2043a1349bfbe6846e7d1391e2662ba1720baa2464be624cd74cf4b2e8b096fa

Aliases

arxiv: 1805.09932 · arxiv_version: 1805.09932v1 · doi: 10.48550/arxiv.1805.09932 · pith_short_12: EBB2CNE37PTI · pith_short_16: EBB2CNE37PTII3T5 · pith_short_8: EBB2CNE3

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/EBB2CNE37PTII3T5COI6EZRLUF \
  | 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: 2043a1349bfbe6846e7d1391e2662ba1720baa2464be624cd74cf4b2e8b096fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2176bf9dc33fcfbbaf676caabf6253498a3f0f8f18b750b9426d5ca2739f990a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-24T23:30:37Z",
    "title_canon_sha256": "ccaf9fd1de0279454f2ec67f893f42bcd2eea37ce0c516daf1c68c890c0e1e49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09932",
    "kind": "arxiv",
    "version": 1
  }
}