Pith Number

pith:3ZHW74SE

pith:2003:3ZHW74SEXX2N7KS3MN45RKFJ3E

not attested not anchored not stored refs pending

Near-IR coronagraphic imaging of the companion to HR 7672

A. Boccaletti, A.-M. Lagrange, F. Marchis, G. Chauvin

arxiv:astro-ph/0308426 v1 · 2003-08-25 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ZHW74SEXX2N7KS3MN45RKFJ3E}

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	2026-07-04T16:51:31.017477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de4f6ff244bdf4dfaa5b6379d8a8a9d93eeed81321e9bbae30873440463cc916

Aliases

arxiv: astro-ph/0308426 · arxiv_version: astro-ph/0308426v1 · doi: 10.48550/arxiv.astro-ph/0308426 · pith_short_12: 3ZHW74SEXX2N · pith_short_16: 3ZHW74SEXX2N7KS3 · pith_short_8: 3ZHW74SE

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/3ZHW74SEXX2N7KS3MN45RKFJ3E \
  | 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: de4f6ff244bdf4dfaa5b6379d8a8a9d93eeed81321e9bbae30873440463cc916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98b1c0418248397bcbcdc787b9a614e37b435535428f46c41ebedc0417121f36",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-25T08:26:19Z",
    "title_canon_sha256": "e5a390ee75bc72ae4688775615e92ecd7a7e770fb9d9a56e0ba61476ee5cc808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308426",
    "kind": "arxiv",
    "version": 1
  }
}