Pith Number

pith:ICSFJFMI

pith:2019:ICSFJFMI44NPPLYQ5AZKFKHA4A

not attested not anchored not stored refs pending

Kepler-62f: Kepler's First Small Planet in the Habitable Zone, but Is It Real?

Christina Hedges, Eric Agol, Susan E. Thompson, William Borucki

arxiv:1905.05719 v2 · 2019-05-14 · 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{ICSFJFMI44NPPLYQ5AZKFKHA4A}

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	2026-05-17T23:46:08.582386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40a4549588e71af7af10e832a2a8e0e0091c41d62bf6c204b0ee5bb5c07cfa48

Aliases

arxiv: 1905.05719 · arxiv_version: 1905.05719v2 · doi: 10.48550/arxiv.1905.05719 · pith_short_12: ICSFJFMI44NP · pith_short_16: ICSFJFMI44NPPLYQ · pith_short_8: ICSFJFMI

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/ICSFJFMI44NPPLYQ5AZKFKHA4A \
  | 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: 40a4549588e71af7af10e832a2a8e0e0091c41d62bf6c204b0ee5bb5c07cfa48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "528946c3cfac29a94301081bd54e64ff7c817b9c7565920320ed2c7520111b0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-05-14T16:55:02Z",
    "title_canon_sha256": "b631ab284bde8d9fa603dd5f59d0de58a4292e3b66152ab5ae34cdfb809f95c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05719",
    "kind": "arxiv",
    "version": 2
  }
}