Pith Number

pith:3UGSUSZS

pith:2004:3UGSUSZSNW24OKLPJTDVBDZXWF

not attested not anchored not stored refs pending

Modeling of Closure Phase Measurements with AMBER/VLTI - Towards Characterization of Exoplanetary Atmospheres

Andreas Quirrenbach (Sterrewacht Leiden / Leiden Observatory, the Netherlands), Viki Joergens

arxiv:astro-ph/0409726 v2 · 2004-09-29 · 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{3UGSUSZSNW24OKLPJTDVBDZXWF}

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	2026-05-18T01:40:35.026862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd0d2a4b326db5c7296f4cc7508f37b174befd831d7f7c3a88f67ffc39981d94

Aliases

arxiv: astro-ph/0409726 · arxiv_version: astro-ph/0409726v2 · doi: 10.48550/arxiv.astro-ph/0409726 · pith_short_12: 3UGSUSZSNW24 · pith_short_16: 3UGSUSZSNW24OKLP · pith_short_8: 3UGSUSZS

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/3UGSUSZSNW24OKLPJTDVBDZXWF \
  | 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: dd0d2a4b326db5c7296f4cc7508f37b174befd831d7f7c3a88f67ffc39981d94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c23e6ab2e23529c8f87e6d200a39e2f3689aa98ea2ae3c802b277ccd62d8f746",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-29T17:56:57Z",
    "title_canon_sha256": "bbd742599d27d04ce23a66fad8c660e6eeeb4cdeb15e23c25d2c6cf2dd20d4bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409726",
    "kind": "arxiv",
    "version": 2
  }
}