Pith Number

pith:BB34BQ5F

pith:2017:BB34BQ5FY6IDH6SPNZY6P2FNOB

not attested not anchored not stored refs pending

The Breakthrough Listen Search for Intelligent Life: Target Selection of Nearby Stars and Galaxies

Andrew P. V. Siemion, Danny C. Price, Dan Werthimer, David DeBoer, David MacMahon, Geoffrey W. Marcy, Greg Hellbourg, Howard Isaacson, Jack Hickish, J. Emilio Enriquez, Matt Lebofsky, Sofia Sheikh, Steve Croft

arxiv:1701.06227 v1 · 2017-01-22 · 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{BB34BQ5FY6IDH6SPNZY6P2FNOB}

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	2026-05-18T00:47:04.251241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0877c0c3a5c79033fa4f6e71e7e8ad7072b5d3d0cfc5bc4b140f701338737f82

Aliases

arxiv: 1701.06227 · arxiv_version: 1701.06227v1 · doi: 10.48550/arxiv.1701.06227 · pith_short_12: BB34BQ5FY6ID · pith_short_16: BB34BQ5FY6IDH6SP · pith_short_8: BB34BQ5F

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/BB34BQ5FY6IDH6SPNZY6P2FNOB \
  | 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: 0877c0c3a5c79033fa4f6e71e7e8ad7072b5d3d0cfc5bc4b140f701338737f82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42fd763e4df42fa154d771ae823b50520945a7c4bb8ee26ed1961da343118224",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-01-22T22:33:50Z",
    "title_canon_sha256": "44d9a5b638d693a9840579d7f2c4084f7c05f35fc00c85353763d73893be24ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06227",
    "kind": "arxiv",
    "version": 1
  }
}