Pith Number

pith:QPHNJ5HA

pith:2012:QPHNJ5HAUNZQLHAELRQ2TCRNYY

not attested not anchored not stored refs pending

The Small-Scale Dynamo and Non-Ideal MHD in Primordial Star Formation

Christoph Federrath, Dominik Schleicher, Jennifer Schober, Ralf Klessen, Robi Banerjee, Simon Glover

arxiv:1204.0658 v2 · 2012-04-03 · astro-ph.CO · physics.flu-dyn · physics.plasm-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPHNJ5HAUNZQLHAELRQ2TCRNYY}

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	2026-05-18T01:57:57.714658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ced4f4e0a373059c045c61a98a2dc61bc6ca77a08616837f570a4aa298ac83

Aliases

arxiv: 1204.0658 · arxiv_version: 1204.0658v2 · doi: 10.48550/arxiv.1204.0658 · pith_short_12: QPHNJ5HAUNZQ · pith_short_16: QPHNJ5HAUNZQLHAE · pith_short_8: QPHNJ5HA

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/QPHNJ5HAUNZQLHAELRQ2TCRNYY \
  | 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: 83ced4f4e0a373059c045c61a98a2dc61bc6ca77a08616837f570a4aa298ac83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8591174f05a3a71775ec2ed17f85a00032032c97e9a21bc7c0c3a9536c85716",
    "cross_cats_sorted": [
      "physics.flu-dyn",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-03T11:23:19Z",
    "title_canon_sha256": "1a97d3fc459302c93d0fce1320f6ec40f0fa0b6ae8980a8a01d6ec833874949e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0658",
    "kind": "arxiv",
    "version": 2
  }
}