Pith Number

pith:C4LYUWFI

pith:2022:C4LYUWFIPHDR4RITXRLIUPP7BS

not attested not anchored not stored refs pending

Searching for technosignatures in exoplanetary systems with current and future missions

Daniel Angerhausen, D\'aniel Apai, Edward W. Schwieterman, Gabriel G. De la Torre, Hector Socas-Navarro, Jacob Haqq-Misra, Ravi Kopparapu, Ryan Felton, Siddhant Sharma, Svetlana Berdyugina, the TechnoClimes 2020 workshop participants, Thomas G. Beatty

arxiv:2206.00030 v1 · 2022-05-31 · astro-ph.EP · astro-ph.IM · astro-ph.SR · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4LYUWFIPHDR4RITXRLIUPP7BS}

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	2026-07-05T04:32:00.890612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17178a58a879c71e4513bc568a3dff0ca90b532937a49f341ba953a9f90a3194

Aliases

arxiv: 2206.00030 · arxiv_version: 2206.00030v1 · doi: 10.48550/arxiv.2206.00030 · pith_short_12: C4LYUWFIPHDR · pith_short_16: C4LYUWFIPHDR4RIT · pith_short_8: C4LYUWFI

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/C4LYUWFIPHDR4RITXRLIUPP7BS \
  | 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: 17178a58a879c71e4513bc568a3dff0ca90b532937a49f341ba953a9f90a3194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b081d84ff50c7f486c0d9ff6c4fc30c5cafc203fcf1b79f7c4a76fde4dbc37b8",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-05-31T18:04:36Z",
    "title_canon_sha256": "f7ba2318b9d13a833d4d708a2faeb2e2b56d704e6f3c2e2810cdba84a72f2729"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.00030",
    "kind": "arxiv",
    "version": 1
  }
}