Pith Number

pith:JXTIEP2N

pith:2021:JXTIEP2NB6R2MTTSLC5LD5JUVO

not attested not anchored not stored refs pending

The luminous red nova AT 2018bwo in NGC 45 and its binary yellow supergiant progenitor

Christoffer Fremling, Frank J. Masci, Howard E. Bond, Jacob E. Jencson, Jakub Klencki, Kevin B. Burdge, Kishalay De, Mansi M. Kasliwal, Nadejda Blagorodnova, Ondrej Pejcha, Paul M. Vreeswijk, R. Michael Rich, Robert D. Gehrz, Ryan M. Lau, Thomas Kupfer

arxiv:2102.05662 v2 · 2021-02-10 · 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{JXTIEP2NB6R2MTTSLC5LD5JUVO}

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	2026-07-05T03:51:54.426311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4de6823f4d0fa3a64e7258bab1f534abaa614087326af71ece5768aeb68071dc

Aliases

arxiv: 2102.05662 · arxiv_version: 2102.05662v2 · doi: 10.48550/arxiv.2102.05662 · pith_short_12: JXTIEP2NB6R2 · pith_short_16: JXTIEP2NB6R2MTTS · pith_short_8: JXTIEP2N

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/JXTIEP2NB6R2MTTSLC5LD5JUVO \
  | 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: 4de6823f4d0fa3a64e7258bab1f534abaa614087326af71ece5768aeb68071dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b0217f50ce468b0805a3ef66dd181ee0b7d214623b13ad21b112c0ffe3fb05d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-02-10T19:00:00Z",
    "title_canon_sha256": "40adfc086763cdd6e510dcaebd54e245f52c61e219a9dbbbd8db17adf6587075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05662",
    "kind": "arxiv",
    "version": 2
  }
}