Pith Number

pith:CGQNRK6V

pith:2018:CGQNRK6VBMI2LS5FUKUUXSL4E7

not attested not anchored not stored refs pending

Populations of planets in multiple star systems

David V. Martin

arxiv:1802.08693 v1 · 2018-02-23 · astro-ph.EP · astro-ph.SR

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	2026-05-17T23:59:09.682234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11a0d8abd50b11a5cba5a2a94bc97c27fd457359f00dc7e7679efb6563ff92a0

Aliases

arxiv: 1802.08693 · arxiv_version: 1802.08693v1 · doi: 10.48550/arxiv.1802.08693 · pith_short_12: CGQNRK6VBMI2 · pith_short_16: CGQNRK6VBMI2LS5F · pith_short_8: CGQNRK6V

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/CGQNRK6VBMI2LS5FUKUUXSL4E7 \
  | 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: 11a0d8abd50b11a5cba5a2a94bc97c27fd457359f00dc7e7679efb6563ff92a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e32e76ec9815eb55c145f612e2e1d954138cc097acd47960b8950dc51e69c2ea",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-23T19:00:04Z",
    "title_canon_sha256": "d9990154563d6afac95e7de879aefbfaaef1c0e07d6c1264afb8ec8579efee34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08693",
    "kind": "arxiv",
    "version": 1
  }
}