Pith Number

pith:SU3K34QU

pith:2022:SU3K34QULINSQEY22DU7CHKGQE

not attested not anchored not stored refs pending

The chemical signature of the Galactic spiral arms revealed by Gaia DR3

A. Recio-Blanco, A. Spagna, E. Poggio, E. Spitoni, G. Kordopatis, M. G. Lattanzi, M. Schultheis, P. A. Palicio, P. de Laverny, P. Re Fiorentin, R. Drimmel

arxiv:2206.14849 v2 · 2022-06-29 · astro-ph.GA · 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{SU3K34QULINSQEY22DU7CHKGQE}

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	2026-07-05T05:03:27.145469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9536adf2145a1b28131ad0e9f11d46813538702e2998a8346ed810a136c6b2f6

Aliases

arxiv: 2206.14849 · arxiv_version: 2206.14849v2 · doi: 10.48550/arxiv.2206.14849 · pith_short_12: SU3K34QULINS · pith_short_16: SU3K34QULINSQEY2 · pith_short_8: SU3K34QU

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/SU3K34QULINSQEY22DU7CHKGQE \
  | 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: 9536adf2145a1b28131ad0e9f11d46813538702e2998a8346ed810a136c6b2f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffd6afb80b7078fb96a77b0a39dd47c90cd433d345c79ce3e8178e9e52041721",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-06-29T18:26:13Z",
    "title_canon_sha256": "180494bdbfd5b1dbb2293065a4ae68233d8a4e25657f3f234d4b72369f51b411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.14849",
    "kind": "arxiv",
    "version": 2
  }
}