Pith Number

pith:HX43DPGW

pith:2018:HX43DPGWL5HSDRROQ3RIE2MYQU

not attested not anchored not stored refs pending

The Breakthrough Listen Search for Intelligent Life: Searching Boyajian's Star for Laser Line Emission

Andrew P. V. Siemion, Danny C. Price, Dan Werthimer, David DeBoer, David Lipman, David MacMahon, Greg Hellbourg, Howard Isaacson, Jack Hickish, J. Emilio Enriquez, Matt Lebofsky, Nectaria Gizani, Steve Croft

arxiv:1812.10161 v1 · 2018-12-25 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HX43DPGWL5HSDRROQ3RIE2MYQU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:53:23.301854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df9b1bcd65f4f21c62e86e2826998850ac9253fb786de96fe062178e7fd4703

Aliases

arxiv: 1812.10161 · arxiv_version: 1812.10161v1 · doi: 10.48550/arxiv.1812.10161 · pith_short_12: HX43DPGWL5HS · pith_short_16: HX43DPGWL5HSDRRO · pith_short_8: HX43DPGW

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/HX43DPGWL5HSDRROQ3RIE2MYQU \
  | 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: 3df9b1bcd65f4f21c62e86e2826998850ac9253fb786de96fe062178e7fd4703

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec9fdd1a171768654e9e4edb96adffd825c4bd707cbb84525cb8b59beccee973",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-12-25T19:39:04Z",
    "title_canon_sha256": "39f6ba6e4796b87a7e712a8d834466fed28c89718c333720525f67a9efa6847f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10161",
    "kind": "arxiv",
    "version": 1
  }
}