Pith Number

pith:YKYVVII6

pith:2023:YKYVVII6DFEZU4KI5YSVUBVPQX

not attested not anchored not stored refs pending

Astrophysical properties of 600 bonafide single stars in the Hyades open cluster

Per Calissendorff, Taisiya Kopytova, Wolfgang Brandner

arxiv:2301.04159 v1 · 2023-01-10 · astro-ph.SR · astro-ph.EP · 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{YKYVVII6DFEZU4KI5YSVUBVPQX}

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	2026-07-05T06:40:50.877090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2b15aa11e19499a7148ee255a06af85e3cd830136efef5aec63eb220f23a7f5

Aliases

arxiv: 2301.04159 · arxiv_version: 2301.04159v1 · doi: 10.48550/arxiv.2301.04159 · pith_short_12: YKYVVII6DFEZ · pith_short_16: YKYVVII6DFEZU4KI · pith_short_8: YKYVVII6

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/YKYVVII6DFEZU4KI5YSVUBVPQX \
  | 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: c2b15aa11e19499a7148ee255a06af85e3cd830136efef5aec63eb220f23a7f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "422a16cd5683f598e57260904b9fa4f1e1ae3dfde887f0cc17e702a298e33df7",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-01-10T19:00:02Z",
    "title_canon_sha256": "77df241f1af5625ea4a693547874bd331e54e3535227971d98524d473dc3747f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.04159",
    "kind": "arxiv",
    "version": 1
  }
}