Pith Number

pith:PQPOPWFZ

pith:2015:PQPOPWFZIGKXOZSDMVXF5XFRKN

not attested not anchored not stored refs pending

Zodiacal Exoplanets In Time (ZEIT) I: A Neptune-sized planet orbiting an M4.5 dwarf in the Hyades Star Cluster

Adam L. Kraus, Andrew Vanderburg, Andrew W. Mann, Brendan P. Bowler, Daniel T. Jaffe, Daryll LaCourse, Eric Gaidos, Gregory N. Mace, Kyle F. Kaplan, Marshall C. Johnson, Thomas L. Jacobs

arxiv:1512.00483 v2 · 2015-12-01 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:20:41.413213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1ee7d8b94195776643656e5edcb153731ac2383431ad37e905a7793393f58b

Aliases

arxiv: 1512.00483 · arxiv_version: 1512.00483v2 · doi: 10.48550/arxiv.1512.00483 · pith_short_12: PQPOPWFZIGKX · pith_short_16: PQPOPWFZIGKXOZSD · pith_short_8: PQPOPWFZ

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/PQPOPWFZIGKXOZSDMVXF5XFRKN \
  | 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: 7c1ee7d8b94195776643656e5edcb153731ac2383431ad37e905a7793393f58b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67a20ba542c34597a7688c2fab59f1aaa45d20165147b03c1cbefd074728ecaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-12-01T21:16:37Z",
    "title_canon_sha256": "34ade61fc52482707505b8796c706180807073db322f9783dc7cb2d4f27aac2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00483",
    "kind": "arxiv",
    "version": 2
  }
}