Pith Number

pith:D4L73ETP

pith:2013:D4L73ETPG5CEWDMCUCD7PZYZBD

not attested not anchored not stored refs pending

An Independent Planet Search In The Kepler Dataset. II. An extremely low-density super-Earth mass planet around Kepler-87

Aviv Ofir, Mathias Zechmeister, Stefan Dreizler, Tim-Oliver Husser

arxiv:1310.2064 v1 · 2013-10-08 · 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{D4L73ETPG5CEWDMCUCD7PZYZBD}

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	2026-05-18T01:47:13.871729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f17fd926f37444b0d82a087f7e71908c78807d2388bab668bebc46a091aabd7

Aliases

arxiv: 1310.2064 · arxiv_version: 1310.2064v1 · doi: 10.48550/arxiv.1310.2064 · pith_short_12: D4L73ETPG5CE · pith_short_16: D4L73ETPG5CEWDMC · pith_short_8: D4L73ETP

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/D4L73ETPG5CEWDMCUCD7PZYZBD \
  | 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: 1f17fd926f37444b0d82a087f7e71908c78807d2388bab668bebc46a091aabd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e20ad1926ba9422f3dd477b18d67c490eef432e68bbd101bba079302e89438",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-10-08T09:57:14Z",
    "title_canon_sha256": "742ddc66f2828512fb7f82d2326ccc4d59c0bfa9e4d5e22ad379ade9f84b54d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2064",
    "kind": "arxiv",
    "version": 1
  }
}