Pith Number

pith:KCDFMZTT

pith:2014:KCDFMZTTVRYHY44VHDYASRGERD

not attested not anchored not stored refs pending

Occurrence and core-envelope structure of 1--4x Earth-size planets around Sun-like stars

Andrew W. Howard, Erik A. Petigura, Geoffrey W. Marcy, Howard Isaacson, Lars A. Buchhave, Lauren M. Weiss

arxiv:1404.2960 v1 · 2014-04-10 · 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{KCDFMZTTVRYHY44VHDYASRGERD}

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	2026-05-18T01:43:35.513978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5086566673ac707c739538f00944c488c28a6b4157ea806ca32ef782ae219085

Aliases

arxiv: 1404.2960 · arxiv_version: 1404.2960v1 · doi: 10.48550/arxiv.1404.2960 · pith_short_12: KCDFMZTTVRYH · pith_short_16: KCDFMZTTVRYHY44V · pith_short_8: KCDFMZTT

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/KCDFMZTTVRYHY44VHDYASRGERD \
  | 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: 5086566673ac707c739538f00944c488c28a6b4157ea806ca32ef782ae219085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38bd9ba5bc9b622eafe41415abdb739d555aefc4444b618559a0cc5c5b82b2d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-04-10T22:08:34Z",
    "title_canon_sha256": "0c91bcf98e5070eaffd741936f4e0be8433ae3187ced71f71dc019496aae9f3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2960",
    "kind": "arxiv",
    "version": 1
  }
}