Pith Number

pith:HL4O6AAY

pith:2019:HL4O6AAYDLF5OMFNDGY43VHFTB

not attested not anchored not stored refs pending

The Discovery of Kepler-16b

Laurance R. Doyle

arxiv:1908.02838 v1 · 2019-07-19 · 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{HL4O6AAYDLF5OMFNDGY43VHFTB}

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.

Cited by

1 paper in Pith

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

Receipt and verification

First computed	2026-07-04T23:55:48.952113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3af8ef00181acbd730ad19b1cdd4e59847b2b0a1d617624a9f0a27832193dc2c

Aliases

arxiv: 1908.02838 · arxiv_version: 1908.02838v1 · doi: 10.48550/arxiv.1908.02838 · pith_short_12: HL4O6AAYDLF5 · pith_short_16: HL4O6AAYDLF5OMFN · pith_short_8: HL4O6AAY

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/HL4O6AAYDLF5OMFNDGY43VHFTB \
  | 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: 3af8ef00181acbd730ad19b1cdd4e59847b2b0a1d617624a9f0a27832193dc2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2557baa01e91722bf4d8213ddf4275af6b3f1e7f3122ac966fd5f6b91b31d121",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2019-07-19T01:08:59Z",
    "title_canon_sha256": "572b71352f49b5d148a82011205e8eacf334e76eeb909b29782215697d214b37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02838",
    "kind": "arxiv",
    "version": 1
  }
}