Pith Number

pith:CZPYF7NR

pith:2009:CZPYF7NROC3WJCKTOEWNMCXSIJ

not attested not anchored not stored refs pending

Astrophysical turbulence modeling

Aake Nordlund (NBI), Axel Brandenburg (Nordita)

arxiv:0912.1340 v2 · 2009-12-08 · astro-ph.SR · 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{CZPYF7NROC3WJCKTOEWNMCXSIJ}

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	2026-05-18T02:24:45.873562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

165f82fdb170b7648953712cd60af242754e047a45aca02477ac96b13cd1c6b9

Aliases

arxiv: 0912.1340 · arxiv_version: 0912.1340v2 · doi: 10.48550/arxiv.0912.1340 · pith_short_12: CZPYF7NROC3W · pith_short_16: CZPYF7NROC3WJCKT · pith_short_8: CZPYF7NR

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/CZPYF7NROC3WJCKTOEWNMCXSIJ \
  | 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: 165f82fdb170b7648953712cd60af242754e047a45aca02477ac96b13cd1c6b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37f95f306677a4c1700efae4bea50e00ee2e0a65b39057fe1975b493c9e50472",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-08T20:56:59Z",
    "title_canon_sha256": "f55d5028887d1e0053d085379aae60a67bcf5d76dae196f2982712f306c657b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1340",
    "kind": "arxiv",
    "version": 2
  }
}