Pith Number

pith:ATUYIW75

pith:2009:ATUYIW75BEJGHFY7MFDSQQBYMT

not attested not anchored not stored refs pending

Misaligned spin and orbital axes cause the anomalous precession of DI Herculis

Ignas A. G. Snellen, Joshua N. Winn, Sabine Reffert, Simon Albrecht

arxiv:0909.2861 v1 · 2009-09-15 · 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{ATUYIW75BEJGHFY7MFDSQQBYMT}

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	2026-05-18T02:11:47.665663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04e9845bfd091263971f614728403864fdcdca4f24e79cd2faac1235957b14b3

Aliases

arxiv: 0909.2861 · arxiv_version: 0909.2861v1 · doi: 10.48550/arxiv.0909.2861 · pith_short_12: ATUYIW75BEJG · pith_short_16: ATUYIW75BEJGHFY7 · pith_short_8: ATUYIW75

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/ATUYIW75BEJGHFY7MFDSQQBYMT \
  | 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: 04e9845bfd091263971f614728403864fdcdca4f24e79cd2faac1235957b14b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e2234eef24938b13fadce86264a8c174b6416698c01bd0411788bc23c55ffd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-15T20:00:13Z",
    "title_canon_sha256": "acdba15ad5f4db1dad89ea445502b8c8189448be084c58e7a5c22f535114f82e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2861",
    "kind": "arxiv",
    "version": 1
  }
}