Pith Number

pith:QKHA7F3Y

pith:2025:QKHA7F3YYNPMLMD2GB7WZ75L4J

not attested not anchored not stored refs pending

Red giant component of the recurrent nova T Coronae Borealis

D. Marchev, G. Yordanova, J. Marti, K. A. Stoyanov, M. F. Bode, M. Moyseev, R. K. Zamanov, V. Marchev

arxiv:2504.06029 v1 · 2025-04-08 · 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{QKHA7F3YYNPMLMD2GB7WZ75L4J}

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	2026-07-05T10:46:14.347735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828e0f9778c35ec5b07a307f6cffabe2731fe9cde73bcb738bc3e36734e9894d

Aliases

arxiv: 2504.06029 · arxiv_version: 2504.06029v1 · doi: 10.48550/arxiv.2504.06029 · pith_short_12: QKHA7F3YYNPM · pith_short_16: QKHA7F3YYNPMLMD2 · pith_short_8: QKHA7F3Y

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/QKHA7F3YYNPMLMD2GB7WZ75L4J \
  | 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: 828e0f9778c35ec5b07a307f6cffabe2731fe9cde73bcb738bc3e36734e9894d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "298114acb1a0d41c3f6b127aa119b1c5a7dc4f5ec9e883d0ed45479477d5c941",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-08T13:34:05Z",
    "title_canon_sha256": "2b4f36144092859ffed0084cdc00bbac0e392d55e1c5378edef8eb66c00ef27f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.06029",
    "kind": "arxiv",
    "version": 1
  }
}