Pith Number

pith:X4WFOKJ5

pith:2009:X4WFOKJ5IFG63ONNJXTEUBCQWL

not attested not anchored not stored refs pending

Hydrodynamical simulations of Galactic fountains II: evolution of multiple fountains

Annibale D'Ercole, Claudio Melioli, E.M. de Gouveia Dal Pino, Fabrizio Brighenti

arxiv:0903.0720 v1 · 2009-03-04 · 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{X4WFOKJ5IFG63ONNJXTEUBCQWL}

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	2026-05-18T02:14:37.406946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf2c57293d414dedb9ad4de64a0450b2fde05e422b7c4ce103caf11b622cd137

Aliases

arxiv: 0903.0720 · arxiv_version: 0903.0720v1 · doi: 10.48550/arxiv.0903.0720 · pith_short_12: X4WFOKJ5IFG6 · pith_short_16: X4WFOKJ5IFG63ONN · pith_short_8: X4WFOKJ5

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/X4WFOKJ5IFG63ONNJXTEUBCQWL \
  | 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: bf2c57293d414dedb9ad4de64a0450b2fde05e422b7c4ce103caf11b622cd137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4572acb9e7f24c32b81f3410fad2bae0a18cb3da1dcb4524e099653d39b2f8c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-04T09:55:12Z",
    "title_canon_sha256": "f5bc7563791b8f76c1b0dca1d7cde66eebdf4998232326a44f9455c540eda20b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0720",
    "kind": "arxiv",
    "version": 1
  }
}