Pith Number

pith:YSA5BWRI

pith:2020:YSA5BWRIPI5U5ZDP6Q7DXBWTIT

not attested not anchored not stored refs pending

The Breakthrough Listen Search for Intelligent Life: A 3.95-8.00 GHz Search for Radio Technosignatures in the Restricted Earth Transit Zone

Andrew Siemion, Danny C. Price, Howard Isaacson, J. Emilio Enriquez, Matt Lebofsky, Paul Kalas, Sofia Z. Sheikh, Vishal Gajjar

arxiv:2002.06162 v1 · 2020-02-14 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSA5BWRIPI5U5ZDP6Q7DXBWTIT}

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	2026-07-05T01:11:12.442811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c481d0da287a3b4ee46ff43e3b86d344e3ec9d832a72ac4b4064ad0f8c37e4ae

Aliases

arxiv: 2002.06162 · arxiv_version: 2002.06162v1 · doi: 10.48550/arxiv.2002.06162 · pith_short_12: YSA5BWRIPI5U · pith_short_16: YSA5BWRIPI5U5ZDP · pith_short_8: YSA5BWRI

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/YSA5BWRIPI5U5ZDP6Q7DXBWTIT \
  | 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: c481d0da287a3b4ee46ff43e3b86d344e3ec9d832a72ac4b4064ad0f8c37e4ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08c1aecc8474221a94e6e71a206e1434e6aa7f10ded7ae07a8f6345fef63856e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-02-14T18:26:49Z",
    "title_canon_sha256": "e49fd3f315e6592046edcc500d69885fd721bcda3cc9665c66926fdb2db39d08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.06162",
    "kind": "arxiv",
    "version": 1
  }
}