Pith Number

pith:PEJSO6JA

pith:2022:PEJSO6JARGH556NHNC7NRONK2L

not attested not anchored not stored refs pending

M31N 1926-07c: A Recurrent Nova in M31 with a 2.8 Year Recurrence Time

Allen W. Shafter, Hana Ku\v{c}\'akov\'a, J. Grace Clark, Jingyuan Zhao, John Della Costa, Kamil Hornoch, Marek Wolf, Mi Zhang, Petr Zasche, William A. Burris, Xing Gao

arxiv:2210.08618 v2 · 2022-10-16 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEJSO6JARGH556NHNC7NRONK2L}

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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.

Cited by

1 paper in Pith

The Recurrent Nova Population in M31

Receipt and verification

First computed	2026-07-05T05:08:18.593385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7913277920898fdef9a768bed8b9aad2f3e0a441a2d55a8851efcc8a9fef139c

Aliases

arxiv: 2210.08618 · arxiv_version: 2210.08618v2 · doi: 10.48550/arxiv.2210.08618 · pith_short_12: PEJSO6JARGH5 · pith_short_16: PEJSO6JARGH556NH · pith_short_8: PEJSO6JA

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/PEJSO6JARGH556NHNC7NRONK2L \
  | 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: 7913277920898fdef9a768bed8b9aad2f3e0a441a2d55a8851efcc8a9fef139c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "716e3d34c85ebb8d330c7d2f044727ab0878021b9fbb80acf99772a2ea016f3d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-10-16T19:26:24Z",
    "title_canon_sha256": "f6914908c910c70c35db3263eb54904a9e01fef64765cb95688d0bcc76589814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.08618",
    "kind": "arxiv",
    "version": 2
  }
}