Pith Number

pith:MOL5OINM

pith:2009:MOL5OINMMZQA5FUV373TIKSX4Y

not attested not anchored not stored refs pending

The spin-orbit alignment of the Fomalhaut planetary system probed by optical long baseline interferometry

Antoine Merand (ESO), Fabrizio Massi, Jean-Baptiste Le Bouquin (ESO), Myriam Benisty, Olivier Absil, Stan Stefl (ESO)

arxiv:0904.1688 v1 · 2009-04-10 · 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{MOL5OINMMZQA5FUV373TIKSX4Y}

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	2026-05-18T02:14:06.547289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6397d721ac66600e9695dff7342a57e6230ed104211203730a8df5b5e725fabd

Aliases

arxiv: 0904.1688 · arxiv_version: 0904.1688v1 · doi: 10.48550/arxiv.0904.1688 · pith_short_12: MOL5OINMMZQA · pith_short_16: MOL5OINMMZQA5FUV · pith_short_8: MOL5OINM

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/MOL5OINMMZQA5FUV373TIKSX4Y \
  | 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: 6397d721ac66600e9695dff7342a57e6230ed104211203730a8df5b5e725fabd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b822b1f3497e04b861d6d2a1b0c804b440d9487a916aec1a48e3a69e898bee3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-10T13:44:46Z",
    "title_canon_sha256": "18b1d6069f95b51600411115933fa79399f020842aaaaba95a0170fb9af3d54b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1688",
    "kind": "arxiv",
    "version": 1
  }
}