Pith Number

pith:GK6UB2ZJ

pith:2015:GK6UB2ZJVB5TYTDEI7MG7X2CZW

not attested not anchored not stored refs pending

A Six-Planet System Orbiting HD 219134

Brad Holden, Cyril Gapp, Gregory Laughlin, Gregory W. Henry, Jennifer Burt, Johanna Teske, Pamela Arriagada, R. Paul Butler, Russell Hanson, Sandy Keiser, Songhu Wang, Stefano Meschiari, Steven S. Vogt

arxiv:1509.07912 v1 · 2015-09-25 · 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{GK6UB2ZJVB5TYTDEI7MG7X2CZW}

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	2026-05-18T01:26:41.332725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32bd40eb29a87b3c4c6447d86fdf42cda3ab3fb5fd71428bfb8a48fac94b3afb

Aliases

arxiv: 1509.07912 · arxiv_version: 1509.07912v1 · doi: 10.48550/arxiv.1509.07912 · pith_short_12: GK6UB2ZJVB5T · pith_short_16: GK6UB2ZJVB5TYTDE · pith_short_8: GK6UB2ZJ

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/GK6UB2ZJVB5TYTDEI7MG7X2CZW \
  | 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: 32bd40eb29a87b3c4c6447d86fdf42cda3ab3fb5fd71428bfb8a48fac94b3afb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3660371a283aa9085b248c153a3230311076f62e5c039a020e7f35e5a7254699",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-09-25T22:31:51Z",
    "title_canon_sha256": "3a2c9cc9a5730c2152d4100644bd2ac38cd7ab706522d04d2792e530704e6d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07912",
    "kind": "arxiv",
    "version": 1
  }
}