Pith Number

pith:UVCBZFNE

pith:2010:UVCBZFNEYQA4FI2MEJB7OYEI72

not attested not anchored not stored refs pending

Investigations of approximate expressions for the transit duration

David M. Kipping

arxiv:1004.3819 v1 · 2010-04-21 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVCBZFNEYQA4FI2MEJB7OYEI72}

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	2026-05-18T02:07:55.428128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5441c95a4c401c2a34c2243f76088fe8da8f5f1d75e4c086a059808c5a84864

Aliases

arxiv: 1004.3819 · arxiv_version: 1004.3819v1 · doi: 10.48550/arxiv.1004.3819 · pith_short_12: UVCBZFNEYQA4 · pith_short_16: UVCBZFNEYQA4FI2M · pith_short_8: UVCBZFNE

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/UVCBZFNEYQA4FI2MEJB7OYEI72 \
  | 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: a5441c95a4c401c2a34c2243f76088fe8da8f5f1d75e4c086a059808c5a84864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a440eca34dc908364b1611503fe4c60e0e44e511a92d3dd8c382c2e7182153de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-04-21T23:48:06Z",
    "title_canon_sha256": "adbe9de2b25e2b3e09b396002d5ede631e2debfa4083e9b3aa634b8a82a6dc1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3819",
    "kind": "arxiv",
    "version": 1
  }
}