Pith Number

pith:UBDFPLKT

pith:2018:UBDFPLKTQLKPYZEA4NGJXMM476

not attested not anchored not stored refs pending

Survival Function Analysis of Planet Size Distribution with GAIA Data Release 2 Updates

Andrew Vanderburg, Dimitar D. Sasselov, Li Zeng, Stein B. Jacobsen

arxiv:1806.11234 v2 · 2018-06-29 · 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{UBDFPLKTQLKPYZEA4NGJXMM476}

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	2026-05-18T00:10:36.915999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a04657ad5382d4fc6480e34c9bb19cffbac9d28d433c43068b6fc02813d8df05

Aliases

arxiv: 1806.11234 · arxiv_version: 1806.11234v2 · doi: 10.48550/arxiv.1806.11234 · pith_short_12: UBDFPLKTQLKP · pith_short_16: UBDFPLKTQLKPYZEA · pith_short_8: UBDFPLKT

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/UBDFPLKTQLKPYZEA4NGJXMM476 \
  | 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: a04657ad5382d4fc6480e34c9bb19cffbac9d28d433c43068b6fc02813d8df05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea585c98af76054f4ea5abdea9d33213209931392f9c8b5348c0fc96ca2c3ac7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-06-29T00:15:06Z",
    "title_canon_sha256": "c795db5bed3d2acf437b6cfd3648f6bcd26aee153455c5957be8380160863bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11234",
    "kind": "arxiv",
    "version": 2
  }
}