Pith Number

pith:G73YG2PK

pith:2017:G73YG2PK6WRBC5BUZLCCMXVFWZ

not attested not anchored not stored refs pending

Mass, Density, and Formation Constraints in the Compact, Sub-Earth Kepler-444 System including Two Mars-Mass Planets

Daniel C. Fabrycky, Sean M. Mills

arxiv:1703.03417 v1 · 2017-03-09 · 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{G73YG2PK6WRBC5BUZLCCMXVFWZ}

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	2026-05-18T00:47:00.781624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37f78369eaf5a2117434cac4265ea5b64fa97798e41d44a9287c27b634cdf0a5

Aliases

arxiv: 1703.03417 · arxiv_version: 1703.03417v1 · doi: 10.48550/arxiv.1703.03417 · pith_short_12: G73YG2PK6WRB · pith_short_16: G73YG2PK6WRBC5BU · pith_short_8: G73YG2PK

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/G73YG2PK6WRBC5BUZLCCMXVFWZ \
  | 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: 37f78369eaf5a2117434cac4265ea5b64fa97798e41d44a9287c27b634cdf0a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "115cd5c5ede108c4a5ea5426424bf59e2ed5f6432736e71477a0084789289d69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-03-09T19:00:06Z",
    "title_canon_sha256": "d8ae83d67ad939625dd390994afe54cbb59da07e1a4a37bf5eb2468e26598d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03417",
    "kind": "arxiv",
    "version": 1
  }
}