Pith Number

pith:WL3D7DHJ

pith:2008:WL3D7DHJH4Z6SCTDEVHYWNRPTK

not attested not anchored not stored refs pending

Orbital Dynamics Of A Possible Second Planet In HD 17156

Donald Short, Gur Windmiller, Jerome A. Orosz, William F. Welsh

arxiv:0803.2935 v3 · 2008-03-20 · 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{WL3D7DHJH4Z6SCTDEVHYWNRPTK}

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	2026-05-18T00:51:01.746488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f63f8ce93f33e90a63254f8b362f9abbde34128c5fbdeea84856f650a4572f

Aliases

arxiv: 0803.2935 · arxiv_version: 0803.2935v3 · doi: 10.48550/arxiv.0803.2935 · pith_short_12: WL3D7DHJH4Z6 · pith_short_16: WL3D7DHJH4Z6SCTD · pith_short_8: WL3D7DHJ

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/WL3D7DHJH4Z6SCTDEVHYWNRPTK \
  | 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: b2f63f8ce93f33e90a63254f8b362f9abbde34128c5fbdeea84856f650a4572f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b4c100e5a560157140f0ddc57097d821c25b75739070e11ccb8e434c4649cb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-20T18:09:32Z",
    "title_canon_sha256": "632c1b7cca039e95f24ffd15e7bc697778a7ecbd0125f98dbb36d24e9408c293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2935",
    "kind": "arxiv",
    "version": 3
  }
}