Pith Number

pith:C75ZPC5W

pith:2026:C75ZPC5WUTUU47JIXFFAY3ZZ32

not attested not anchored not stored refs pending

Dissecting the 3D chemo-dynamical structures of NGC 1381: a galaxy hosting an ancient slow bar with an accreted bulge and thick disc

Francesca Pinna, Glenn van de Ven, Ling Zhu, Marie Martig, Shude Mao, Yuchen Ding, Yunpeng Jin

arxiv:2607.00497 v1 · 2026-07-01 · 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{C75ZPC5WUTUU47JIXFFAY3ZZ32}

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	2026-07-02T01:17:45.097381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17fb978bb6a4e94e7d28b94a0c6f39de8dd186bf283d9746bcdeb12116752a15

Aliases

arxiv: 2607.00497 · arxiv_version: 2607.00497v1 · doi: 10.48550/arxiv.2607.00497 · pith_short_12: C75ZPC5WUTUU · pith_short_16: C75ZPC5WUTUU47JI · pith_short_8: C75ZPC5W

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/C75ZPC5WUTUU47JIXFFAY3ZZ32 \
  | 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: 17fb978bb6a4e94e7d28b94a0c6f39de8dd186bf283d9746bcdeb12116752a15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86603f357a5b243215894c58d228551f811055ca897593375f0445e47e6b559d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-01T06:26:02Z",
    "title_canon_sha256": "969debb1ed8f02061a814fb9ff8599f428e128e8b601d0a8efd57d2e6b223b10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00497",
    "kind": "arxiv",
    "version": 1
  }
}