Pith Number

pith:M4DO2AB7

pith:2022:M4DO2AB7RMY7VUH72LH35JK23W

not attested not anchored not stored refs pending

Discovery of new TESS pulsating hot subdwarfs

J. Krzesinski, L. A. Balona

arxiv:2204.01604 v1 · 2022-04-04 · 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{M4DO2AB7RMY7VUH72LH35JK23W}

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	2026-07-05T04:39:34.694697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6706ed003f8b31fad0ffd2cfbea55add96e48082176eaae530d92f8e113ab960

Aliases

arxiv: 2204.01604 · arxiv_version: 2204.01604v1 · doi: 10.48550/arxiv.2204.01604 · pith_short_12: M4DO2AB7RMY7 · pith_short_16: M4DO2AB7RMY7VUH7 · pith_short_8: M4DO2AB7

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/M4DO2AB7RMY7VUH72LH35JK23W \
  | 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: 6706ed003f8b31fad0ffd2cfbea55add96e48082176eaae530d92f8e113ab960

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27e274299d5a22cd2c851ea30b5169bc9d99a6f3c2fd0a416ed739c4af5d319e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-04-04T16:00:32Z",
    "title_canon_sha256": "7428051529f9a033acb9adc8bfce0d5f23508ae965ff3128196774d572210681"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01604",
    "kind": "arxiv",
    "version": 1
  }
}