Pith Number

pith:QCKLGT4W

pith:2023:QCKLGT4WOLECPV3UOQRRC6DEKX

not attested not anchored not stored refs pending

The B & V Light Curves for Recurrent Nova T CrB From 1842--2022, the Unique Pre- and Post-Eruption High-States, the Complex Period Changes, and the Upcoming Eruption in 2025.5$\pm$1.3

Bradley E. Schaefer

arxiv:2303.04933 v1 · 2023-03-08 · 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{QCKLGT4WOLECPV3UOQRRC6DEKX}

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	2026-07-05T05:55:52.961753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8094b34f9672c827d774742311786455e901f9f67a4fb32927c3b46c8b8206d3

Aliases

arxiv: 2303.04933 · arxiv_version: 2303.04933v1 · doi: 10.48550/arxiv.2303.04933 · pith_short_12: QCKLGT4WOLEC · pith_short_16: QCKLGT4WOLECPV3U · pith_short_8: QCKLGT4W

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/QCKLGT4WOLECPV3UOQRRC6DEKX \
  | 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: 8094b34f9672c827d774742311786455e901f9f67a4fb32927c3b46c8b8206d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e5a562f05150e1c0b2ce664d0f4a6bab2806642ed3e779d0705abf5b613c19c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-03-08T23:07:15Z",
    "title_canon_sha256": "c12119aab2b0d4f5391e5a89b0e3c2b78a8a304d3079148af8e1f0e333728dbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.04933",
    "kind": "arxiv",
    "version": 1
  }
}