Pith Number

pith:BWXOEYQS

pith:2011:BWXOEYQSVPZPFWDQTCGDVEJTSU

not attested not anchored not stored refs pending

The mid-infrared diameter of W Hydrae

A. Quirrenbach, B. Lopez, C. Leinert, R. Koehler, R. Zhao-Geisler

arxiv:1105.0082 v1 · 2011-04-30 · 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{BWXOEYQSVPZPFWDQTCGDVEJTSU}

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	2026-05-18T02:02:10.743599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0daee26212abf2f2d870988c3a9133953b6520110e22cf0073f7f65bdc5b102c

Aliases

arxiv: 1105.0082 · arxiv_version: 1105.0082v1 · doi: 10.48550/arxiv.1105.0082 · pith_short_12: BWXOEYQSVPZP · pith_short_16: BWXOEYQSVPZPFWDQ · pith_short_8: BWXOEYQS

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/BWXOEYQSVPZPFWDQTCGDVEJTSU \
  | 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: 0daee26212abf2f2d870988c3a9133953b6520110e22cf0073f7f65bdc5b102c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12faa35ad774733c21229eeb2a169e0839dede2c9fbffe153d156a7ebb311e20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-30T12:19:19Z",
    "title_canon_sha256": "554d489f6e31a24bdb38eb92f2d0f415ee6224ed5c5d098794788d98712dce29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0082",
    "kind": "arxiv",
    "version": 1
  }
}