Pith Number

pith:5TBCX6HP

pith:2022:5TBCX6HP4GFXCN6WG7EXIKPR32

not attested not anchored not stored refs pending

Unicorns and Giraffes in the binary zoo: stripped giants with subgiant companions

Adrian M. Price-Whelan, Charlie Conroy, Hans-Walter Rix, Kareem El-Badry, Kevin Burdge, Rhys Seeburger, Silvia Almada, Tharindu Jayasinghe

arxiv:2203.06348 v2 · 2022-03-12 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TBCX6HP4GFXCN6WG7EXIKPR32}

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	2026-07-05T04:09:51.132245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecc22bf8efe18b7137d637c97429f1de98648caa9d5368b078c4d9ee1b7fd3ef

Aliases

arxiv: 2203.06348 · arxiv_version: 2203.06348v2 · doi: 10.48550/arxiv.2203.06348 · pith_short_12: 5TBCX6HP4GFX · pith_short_16: 5TBCX6HP4GFXCN6W · pith_short_8: 5TBCX6HP

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/5TBCX6HP4GFXCN6WG7EXIKPR32 \
  | 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: ecc22bf8efe18b7137d637c97429f1de98648caa9d5368b078c4d9ee1b7fd3ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8d41e86da7833f92742e8394aa8b56fdeab9a1c852847166b1499d9a2c4edb7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-03-12T04:59:53Z",
    "title_canon_sha256": "a4d8499e7835eae8df71fd233a8e18f32500487664919a92e405cafc9d2ceda6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.06348",
    "kind": "arxiv",
    "version": 2
  }
}