Pith Number

pith:UC67AYEM

pith:2019:UC67AYEM5EZSQPBATP7B6RMZ7E

not attested not anchored not stored refs pending

Discovery of a White Dwarf Companion to HD 159062

Andrew W. Howard, Benjamin J. Fulton, David R. Ciardi, Dimitri Mawet, Erica Gonzalez, Evan Sinukoff, Garreth Ruane, Geoffrey W. Marcy, Howard Isaacson, Justin R. Crepp, Lauren Weiss, Lea A. Hirsch, Molly Kosiarek, Sarah Blunt

arxiv:1905.06440 v2 · 2019-05-15 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UC67AYEM5EZSQPBATP7B6RMZ7E}

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	2026-05-17T23:43:02.072776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0bdf0608ce933283c209bfe1f4599f910d626e47c6bf7e8694df24ba96f8718

Aliases

arxiv: 1905.06440 · arxiv_version: 1905.06440v2 · doi: 10.48550/arxiv.1905.06440 · pith_short_12: UC67AYEM5EZS · pith_short_16: UC67AYEM5EZSQPBA · pith_short_8: UC67AYEM

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/UC67AYEM5EZSQPBATP7B6RMZ7E \
  | 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: a0bdf0608ce933283c209bfe1f4599f910d626e47c6bf7e8694df24ba96f8718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b501e20369745a2ab2885bd58be6aa8b0a9d2a28b4f0d3593e6c014b2b383cd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-15T21:29:35Z",
    "title_canon_sha256": "2d133cd599f05a4c5b7c37a3c3788e63394f823e9c33ecd04ddc8cc874c7e530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06440",
    "kind": "arxiv",
    "version": 2
  }
}