Pith Number

pith:5CQQ5DDJ

pith:2018:5CQQ5DDJVJM2LFHDUHSP5ZKN4I

not attested not anchored not stored refs pending

Gaia, Stellar Populations and the Distance Scale

Alessia Garofalo, Gisella Clementini, Tatiana Muraveva, Vincenzo Ripepi

arxiv:1804.09575 v2 · 2018-04-25 · 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{5CQQ5DDJVJM2LFHDUHSP5ZKN4I}

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	2026-05-18T00:13:59.905903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8a10e8c69aa59a594e3a1e4fee54de238a8c005cd562c39aca0aa15d2c8af57

Aliases

arxiv: 1804.09575 · arxiv_version: 1804.09575v2 · doi: 10.48550/arxiv.1804.09575 · pith_short_12: 5CQQ5DDJVJM2 · pith_short_16: 5CQQ5DDJVJM2LFHD · pith_short_8: 5CQQ5DDJ

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/5CQQ5DDJVJM2LFHDUHSP5ZKN4I \
  | 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: e8a10e8c69aa59a594e3a1e4fee54de238a8c005cd562c39aca0aa15d2c8af57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41c98fde8a70d544db15a3de3221af9e5f7735dc0109204d4b72f89bca8bb487",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-25T13:56:25Z",
    "title_canon_sha256": "3b22bd437c9fcda421628a384c4948cb1d7478ccb650f55e7b6ef3bca39d7fd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09575",
    "kind": "arxiv",
    "version": 2
  }
}