Pith Number

pith:2J4WCUAK

pith:2007:2J4WCUAKCLDDUUP7I5IUI7LZQ3

not attested not anchored not stored refs pending

Magnetic fields in protoplanetary disks

Mark Wardle (Macquarie University)

arxiv:0704.0970 v3 · 2007-04-07 · astro-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{2J4WCUAKCLDDUUP7I5IUI7LZQ3}

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.

Cited by

1 paper in Pith

A robust super-time-stepping scheme for Ohmic and ambipolar diffusion

Receipt and verification

First computed	2026-07-04T15:44:57.034673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d27961500a12c63a51ff4751447d7986c687b2d95455bf867520d125b4abbe82

Aliases

arxiv: 0704.0970 · arxiv_version: 0704.0970v3 · doi: 10.48550/arxiv.0704.0970 · pith_short_12: 2J4WCUAKCLDD · pith_short_16: 2J4WCUAKCLDDUUP7 · pith_short_8: 2J4WCUAK

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/2J4WCUAKCLDDUUP7I5IUI7LZQ3 \
  | 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: d27961500a12c63a51ff4751447d7986c687b2d95455bf867520d125b4abbe82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0a743b0962fd85e1bf5dc1f30110c4cee73498093dbefc3ecb8e6311fe8a7eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-07T04:41:23Z",
    "title_canon_sha256": "309115a38906ee4eaa3e5af793a0f3a6f2dfb5dc1a71c995aa8fe8f8948e8ebf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0970",
    "kind": "arxiv",
    "version": 3
  }
}