Pith Number

pith:HQ57PF2T

pith:2017:HQ57PF2T2J7OU63SDM7SNI5UGX

not attested not anchored not stored refs pending

A System of Three Super Earths Transiting the Late K-Dwarf GJ 9827 at Thirty Parsecs

Andrew Vanderburg, Andrew W. Mann, David R. Ciardi, David W. Latham, Ian J. M. Crossfield, Jason D. Eastman, Joseph E. Rodriguez, Samuel N. Quinn

arxiv:1709.01957 v2 · 2017-09-06 · 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{HQ57PF2T2J7OU63SDM7SNI5UGX}

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	2026-05-18T00:24:51.704938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c3bf79753d27eea7b721b3f26a3b435f0ea3e5ace651324916223f45ee57b30

Aliases

arxiv: 1709.01957 · arxiv_version: 1709.01957v2 · doi: 10.48550/arxiv.1709.01957 · pith_short_12: HQ57PF2T2J7O · pith_short_16: HQ57PF2T2J7OU63S · pith_short_8: HQ57PF2T

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/HQ57PF2T2J7OU63SDM7SNI5UGX \
  | 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: 3c3bf79753d27eea7b721b3f26a3b435f0ea3e5ace651324916223f45ee57b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee70a1e813d51052b8366e3bb9ec7f1f20511934a4c1f9ef60f9c56e6607467a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-09-06T18:20:29Z",
    "title_canon_sha256": "dbea03af4d6732f5977594f5e6ccc9e72017655d42d5baa28a75085ea9eac09f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01957",
    "kind": "arxiv",
    "version": 2
  }
}