Pith Number

pith:HNRS4OQ2

pith:2017:HNRS4OQ2PEF4O2JX3Y2ZIY4BU3

not attested not anchored not stored refs pending

Gas removal in the Ursa Minor galaxy: linking hydrodynamics and chemical evolution models

Anderson Caproni (NAT-Universidade Cruzeiro do Sul), Diego Falceta-Gon\c{c}alves (EACH-Universidade de S\~ao Paulo), Gabriel Henrique Campos Bai\~ao (NAT-Universidade Cruzeiro do Sul), Grzegorz Kowal (NAT-Universidade Cruzeiro do Sul), Gustavo Amaral Lanfranchi (NAT-Universidade Cruzeiro do Sul)

arxiv:1703.06442 v1 · 2017-03-19 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNRS4OQ2PEF4O2JX3Y2ZIY4BU3}

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	2026-05-18T00:47:00.553835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b632e3a1a790bc76937de35946381a6fd6ba1cb4b1b70f1d1393839dc86be76

Aliases

arxiv: 1703.06442 · arxiv_version: 1703.06442v1 · doi: 10.48550/arxiv.1703.06442 · pith_short_12: HNRS4OQ2PEF4 · pith_short_16: HNRS4OQ2PEF4O2JX · pith_short_8: HNRS4OQ2

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/HNRS4OQ2PEF4O2JX3Y2ZIY4BU3 \
  | 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: 3b632e3a1a790bc76937de35946381a6fd6ba1cb4b1b70f1d1393839dc86be76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e0de59de6d315bd362f41f6690723ebaa191e3015a904691870d36a5acfe1b4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-19T14:18:27Z",
    "title_canon_sha256": "f402d006a93a3fb3432e010b20a0a713f596cbda7e2bcd5747e8443b54a0cf20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06442",
    "kind": "arxiv",
    "version": 1
  }
}