Pith Number

pith:C6VIQSDI

pith:2016:C6VIQSDISVFI4P6ZHIFR2ELDY5

not attested not anchored not stored refs pending

Stellar Companions to the Exoplanet Host Stars HD 2638 and HD 164509

David R. Ciardi, Elliott P. Horch, Johanna K. Teske, Justin M. Wittrock, Lea Hirsch, Mark E. Everett, Stephen R. Kane, Steve B. Howell

arxiv:1609.00016 v1 · 2016-08-31 · 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{C6VIQSDISVFI4P6ZHIFR2ELDY5}

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	2026-05-18T00:59:57.305688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17aa884868954a8e3fd93a0b1d1163c77e00786e7f41afdd26cbfdb41c2d236a

Aliases

arxiv: 1609.00016 · arxiv_version: 1609.00016v1 · doi: 10.48550/arxiv.1609.00016 · pith_short_12: C6VIQSDISVFI · pith_short_16: C6VIQSDISVFI4P6Z · pith_short_8: C6VIQSDI

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/C6VIQSDISVFI4P6ZHIFR2ELDY5 \
  | 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: 17aa884868954a8e3fd93a0b1d1163c77e00786e7f41afdd26cbfdb41c2d236a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b788be9b1b9d8923d52487e722a0eecfc20a41bd23433b721a78be9c94b9813",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-08-31T20:00:38Z",
    "title_canon_sha256": "cbd802dd67de22f60a93b33c3daa41328149acce2abed256a274dfcccfcbe0d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00016",
    "kind": "arxiv",
    "version": 1
  }
}