Pith Number

pith:4OVUPEMY

pith:2018:4OVUPEMY5WU4MZI3K72KFRIUQM

not attested not anchored not stored refs pending

The orbital eccentricity of small planet systems

Daniel Foreman-Mackey, Ignas Snellen, Joshua N. Winn, Mariah G. MacDonald, Maxwell X. Cai, Mia S. Lundkvist, Rebekah I. Dawson, Simon Albrecht, Victor Silva Aguirre, Vincent Van Eylen, Xu Huang

arxiv:1807.00549 v2 · 2018-07-02 · 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{4OVUPEMY5WU4MZI3K72KFRIUQM}

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	2026-05-17T23:55:20.422841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ab479198eda9c6651b57f4a2c5148337275040336aa92ef1472be0a69f8f19

Aliases

arxiv: 1807.00549 · arxiv_version: 1807.00549v2 · doi: 10.48550/arxiv.1807.00549 · pith_short_12: 4OVUPEMY5WU4 · pith_short_16: 4OVUPEMY5WU4MZI3 · pith_short_8: 4OVUPEMY

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/4OVUPEMY5WU4MZI3K72KFRIUQM \
  | 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: e3ab479198eda9c6651b57f4a2c5148337275040336aa92ef1472be0a69f8f19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "922f8abf213071df864f38a822187ea7efd482a0c3dcd7342fd650f13d09c255",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-07-02T09:14:40Z",
    "title_canon_sha256": "f64984b0ddd61ff80f0de3281c0637cf67f5bf9d7079c09e16adf13ffa89fedc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00549",
    "kind": "arxiv",
    "version": 2
  }
}