Pith Number

pith:RKI2VTRI

pith:2019:RKI2VTRI2RRNVCNQ5OTY62SD7L

not attested not anchored not stored refs pending

New Astronomy Reviews Special Issue: History of Kepler's Major Exoplanet "Firsts"

Jack J. Lissauer, Joann Eisberg

arxiv:1908.03611 v1 · 2019-08-09 · astro-ph.EP · physics.hist-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKI2VTRI2RRNVCNQ5OTY62SD7L}

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	2026-07-04T23:52:42.767494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a91aace28d462da89b0eba78f6a43fae446403af6b14996d087a04802408b45

Aliases

arxiv: 1908.03611 · arxiv_version: 1908.03611v1 · doi: 10.48550/arxiv.1908.03611 · pith_short_12: RKI2VTRI2RRN · pith_short_16: RKI2VTRI2RRNVCNQ · pith_short_8: RKI2VTRI

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/RKI2VTRI2RRNVCNQ5OTY62SD7L \
  | 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: 8a91aace28d462da89b0eba78f6a43fae446403af6b14996d087a04802408b45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae69893c5536322db7c8ce85e77c7adf3f2cfb1de53fb9147bc64fea86ff2f01",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-08-09T19:46:18Z",
    "title_canon_sha256": "2da0bcf9bad8390141407097063b84fb8814c16eff85022018a8263c9f41b79f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03611",
    "kind": "arxiv",
    "version": 1
  }
}