Pith Number

pith:EYWZKMJ2

pith:2019:EYWZKMJ2N6SABSAB3UBWTZC3AT

not attested not anchored not stored refs pending

Applying Liouville's Theorem to Gaia Data

Adrian M. Price-Whelan, David W. Hogg, Matthew R. Buckley

arxiv:1907.00987 v1 · 2019-07-01 · 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{EYWZKMJ2N6SABSAB3UBWTZC3AT}

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	2026-05-17T23:41:41.509504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

262d95313a6fa400c801dd0369e45b04dabea3809274b30ded11bf69ef272521

Aliases

arxiv: 1907.00987 · arxiv_version: 1907.00987v1 · doi: 10.48550/arxiv.1907.00987 · pith_short_12: EYWZKMJ2N6SA · pith_short_16: EYWZKMJ2N6SABSAB · pith_short_8: EYWZKMJ2

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/EYWZKMJ2N6SABSAB3UBWTZC3AT \
  | 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: 262d95313a6fa400c801dd0369e45b04dabea3809274b30ded11bf69ef272521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662c8fd765a4d85e14949002bd5a5b10f87b2eb3660c0a325b951d22c6f4dc20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-01T18:00:04Z",
    "title_canon_sha256": "10e83c9a44b1b0ca7e64971d8b6da0f5bb2da7d4e9dbab5c94806867b4ba1be9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00987",
    "kind": "arxiv",
    "version": 1
  }
}