Pith Number

pith:2ZAD57PC

pith:2011:2ZAD57PC6HX6DDO37PDC2PD5Z2

not attested not anchored not stored refs pending

A Search for the Transit of HD 168443b: Improved Orbital Parameters and Photometry

Andrew W. Howard, Chris de Pree, David R. Ciardi, Debra Fischer, Diana Dragomir, Eric L. N. Jensen, Genady Pilyavsky, Gregory Laughlin, Gregory W. Henry, Hannah Marlowe, Jason T. Wright, Kaspar von Braun, Markus Rabus, Stephen R. Kane, Suvrath Mahadevan, Xuesong X. Wang

arxiv:1109.5166 v1 · 2011-09-23 · astro-ph.EP · 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{2ZAD57PC6HX6DDO37PDC2PD5Z2}

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	2026-05-18T02:00:25.826192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6403efde2f1efe18ddbfbc62d3c7dceabd1236c2e1466ad63c474c3a34c74f9

Aliases

arxiv: 1109.5166 · arxiv_version: 1109.5166v1 · doi: 10.48550/arxiv.1109.5166 · pith_short_12: 2ZAD57PC6HX6 · pith_short_16: 2ZAD57PC6HX6DDO3 · pith_short_8: 2ZAD57PC

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/2ZAD57PC6HX6DDO37PDC2PD5Z2 \
  | 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: d6403efde2f1efe18ddbfbc62d3c7dceabd1236c2e1466ad63c474c3a34c74f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b68a275133644c121abd2ef7b4c99960f95bb784d93c1c3658bebeeda07d51b0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-09-23T19:26:30Z",
    "title_canon_sha256": "de9980d896c5f4b01b8a5a3f545a7a0368bbfc3772d0a8689fbb9eaaa36fca9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5166",
    "kind": "arxiv",
    "version": 1
  }
}