Pith Number

pith:SE7TYN45

pith:2010:SE7TYN45KYLZFAMBH55BV7KE2N

not attested not anchored not stored refs pending

Galaxy formation hydrodynamics: From cosmic flows to star-forming clouds

Frederic Bournaud (CEA Saclay)

arxiv:1009.0142 v1 · 2010-09-01 · astro-ph.CO · 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{SE7TYN45KYLZFAMBH55BV7KE2N}

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	2026-05-18T02:05:38.633797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

913f3c379d56179281813f7a1afd44d3488ec855ab632e812c558cf0c7760589

Aliases

arxiv: 1009.0142 · arxiv_version: 1009.0142v1 · doi: 10.48550/arxiv.1009.0142 · pith_short_12: SE7TYN45KYLZ · pith_short_16: SE7TYN45KYLZFAMB · pith_short_8: SE7TYN45

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/SE7TYN45KYLZFAMBH55BV7KE2N \
  | 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: 913f3c379d56179281813f7a1afd44d3488ec855ab632e812c558cf0c7760589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37c64879c6e9daa4357c9fcc5b9f22004721a8bef6b7d5851853e03005e2eac0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-01T09:51:29Z",
    "title_canon_sha256": "1654d5c92aa64ffd1e8736c8f29f4d63ae70c20a242fb3fbcaa50d6c905e45b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0142",
    "kind": "arxiv",
    "version": 1
  }
}