Pith Number

pith:J2A5SODM

pith:2022:J2A5SODMXYV6GLWCISA6KZUNBF

not attested not anchored not stored refs pending

The Nova KT Eri Is a Recurrent Nova With a Recurrence Time-Scale of 40-50 Years

Bradley E. Schaefer, Frederick M. Walter, Rebekah Hounsell, Yael Hillman

arxiv:2210.10448 v1 · 2022-10-19 · 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{J2A5SODMXYV6GLWCISA6KZUNBF}

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	2026-07-05T05:14:25.681938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e81d9386cbe2be32ec24481e5668d094c687393305afe78a65ef68f1bed6c1e

Aliases

arxiv: 2210.10448 · arxiv_version: 2210.10448v1 · doi: 10.48550/arxiv.2210.10448 · pith_short_12: J2A5SODMXYV6 · pith_short_16: J2A5SODMXYV6GLWC · pith_short_8: J2A5SODM

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/J2A5SODMXYV6GLWCISA6KZUNBF \
  | 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: 4e81d9386cbe2be32ec24481e5668d094c687393305afe78a65ef68f1bed6c1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d29b1daffd79a3ec5eb8356d232fd4b105be0f349cecbf8ed03dab1493ad587",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-10-19T10:27:34Z",
    "title_canon_sha256": "606a5efe04336f2155922815747168afd4df249959f08ab7eaa6a7c3853bb075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.10448",
    "kind": "arxiv",
    "version": 1
  }
}