Pith Number

pith:IATBMA3H

pith:2015:IATBMA3HQ6OEPDNMXE7KOO4WHY

not attested not anchored not stored refs pending

The mass of the Mars-sized exoplanet Kepler-138 b from transit timing

Daniel C. Fabrycky, Daniel Jontof-Hutter, Eric B. Ford, Jack J. Lissauer, Jason F. Rowe

arxiv:1506.07067 v1 · 2015-06-23 · 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{IATBMA3HQ6OEPDNMXE7KOO4WHY}

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	2026-05-18T01:40:55.226136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4026160367879c478dacb93ea73b963e2c9a7fdafc788ebe42fc0a19c26eaec7

Aliases

arxiv: 1506.07067 · arxiv_version: 1506.07067v1 · doi: 10.48550/arxiv.1506.07067 · pith_short_12: IATBMA3HQ6OE · pith_short_16: IATBMA3HQ6OEPDNM · pith_short_8: IATBMA3H

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/IATBMA3HQ6OEPDNMXE7KOO4WHY \
  | 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: 4026160367879c478dacb93ea73b963e2c9a7fdafc788ebe42fc0a19c26eaec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "810e8af638202c4af454099745d33f473367a5332a2459a217fa0998fefeed31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-06-23T16:02:31Z",
    "title_canon_sha256": "feb5eecb2d9ca4e524cd525300903a941111af2b18725b8c0ceb61af2c7e4eb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07067",
    "kind": "arxiv",
    "version": 1
  }
}