Pith Number

pith:4S23FGRK

pith:2011:4S23FGRK756QUIFX7FFLR5DDV3

not attested not anchored not stored refs pending

HD 135344B: a young star has reached its rotational limit

Andr\'e M\"uller (ESO, Davide Fedele (Johns Hopkins University), J\"org-Uwe Pott (MPIA), Mario van den Ancker (ESO), MPIA), Ralf Launhardt (MPIA), Thomas Henning (MPIA)

arxiv:1103.5484 v1 · 2011-03-28 · 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{4S23FGRK756QUIFX7FFLR5DDV3}

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	2026-05-18T02:02:43.898021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b5b29a2aff7d0a20b7f94ab8f463aef436f2d9ad4cfafe8fc77e01d0de94ba

Aliases

arxiv: 1103.5484 · arxiv_version: 1103.5484v1 · doi: 10.48550/arxiv.1103.5484 · pith_short_12: 4S23FGRK756Q · pith_short_16: 4S23FGRK756QUIFX · pith_short_8: 4S23FGRK

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/4S23FGRK756QUIFX7FFLR5DDV3 \
  | 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: e4b5b29a2aff7d0a20b7f94ab8f463aef436f2d9ad4cfafe8fc77e01d0de94ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c44bb9267d4a00159eea31b60354b00d155fe6463fc8c288fbf30a325a9bee8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-28T20:49:16Z",
    "title_canon_sha256": "9dda340ddf251c4b95c3fa07096e342b58786f3412c7443f4a93e496319596d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5484",
    "kind": "arxiv",
    "version": 1
  }
}