Pith Number

pith:BWQUMXXC

pith:2011:BWQUMXXCQI7SWWOHEHSRH4OAAO

not attested not anchored not stored refs pending

Chemical Composition of the RS CVn-type Star 33 Piscium

G. Barisevi\v{c}ius, G. Tautvai\v{s}ien\.e, I. Ilyin, S. Berdyugina, Y. Chorniy

arxiv:1105.5650 v2 · 2011-05-27 · 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{BWQUMXXCQI7SWWOHEHSRH4OAAO}

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	2026-05-18T00:21:15.323903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0da1465ee2823f2b59c721e513f1c003914bf4fdf54f6c42f5116274c14eaea4

Aliases

arxiv: 1105.5650 · arxiv_version: 1105.5650v2 · doi: 10.48550/arxiv.1105.5650 · pith_short_12: BWQUMXXCQI7S · pith_short_16: BWQUMXXCQI7SWWOH · pith_short_8: BWQUMXXC

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/BWQUMXXCQI7SWWOHEHSRH4OAAO \
  | 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: 0da1465ee2823f2b59c721e513f1c003914bf4fdf54f6c42f5116274c14eaea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f63131ed6cd596857e863a71007c44ffff5a12e9f79a03238a41ea724bb70e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-27T20:03:50Z",
    "title_canon_sha256": "d20214cee23633155379a79a4b3dbb40b6e1ad6ca306880fdd5971d9b86ddfa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5650",
    "kind": "arxiv",
    "version": 2
  }
}