Pith Number

pith:B3YYKDZB

pith:2019:B3YYKDZBSYZR42SK3V7PBZEQSS

not attested not anchored not stored refs pending

Astro2020 Science White Paper: Toward Finding Earth 2.0: Masses and Orbits of Small Planets with Extreme Radial Velocity Precision

David R. Ciardi (Caltech/IPAC-NExScI), Diana Dragomir (MIT/UNM), Eliza Kempton (University of Maryland), Eric Gaidos (University of Hawaii at Manoa), George Zhou (CfA-Harvard Smithsonian), Jacob Bean (University of Chicago), Jennifer Burt (MIT), Johanna Teske (Carnegie Institution), Lauren Weiss (University of Hawaii at Manoa), Marshall C. Johnson (The Ohio State University), Michael Meyer (University of Michigan), Quinn Konopacky (UC San Diego)

arxiv:1903.05665 v1 · 2019-03-13 · 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{B3YYKDZBSYZR42SK3V7PBZEQSS}

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	2026-05-17T23:51:16.643128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef1850f2196331e6a4add7ef0e49094b69386cba10057f50b7512628c788010

Aliases

arxiv: 1903.05665 · arxiv_version: 1903.05665v1 · doi: 10.48550/arxiv.1903.05665 · pith_short_12: B3YYKDZBSYZR · pith_short_16: B3YYKDZBSYZR42SK · pith_short_8: B3YYKDZB

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/B3YYKDZBSYZR42SK3V7PBZEQSS \
  | 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: 0ef1850f2196331e6a4add7ef0e49094b69386cba10057f50b7512628c788010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f228ff090c5fad2f01d504333781d28ce3432c39bb762df70a4899191171515",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-13T18:29:04Z",
    "title_canon_sha256": "1c5bbb41ee673ee56a38ea54d86206e67c27aea713643cfd54503e4a74089727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05665",
    "kind": "arxiv",
    "version": 1
  }
}