Pith Number

pith:ZEV2D5HZ

pith:2011:ZEV2D5HZZPIL43UPCUEVM6YXYD

not attested not anchored not stored refs pending

Hall diffusion and the magnetorotational instability in protoplanetary discs

Mark Wardle (Macquarie), Raquel Salmeron (ANU)

arxiv:1103.3562 v2 · 2011-03-18 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEV2D5HZZPIL43UPCUEVM6YXYD}

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	2026-05-18T02:02:50.002579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c92ba1f4f9cbd0be6e8f1509567b17c0c073d414d92ec87feebedfce2929fdd0

Aliases

arxiv: 1103.3562 · arxiv_version: 1103.3562v2 · doi: 10.48550/arxiv.1103.3562 · pith_short_12: ZEV2D5HZZPIL · pith_short_16: ZEV2D5HZZPIL43UP · pith_short_8: ZEV2D5HZ

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/ZEV2D5HZZPIL43UPCUEVM6YXYD \
  | 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: c92ba1f4f9cbd0be6e8f1509567b17c0c073d414d92ec87feebedfce2929fdd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f9715e2ced485c8ededb716a847999ab40e6ef62d8cdaec6aacd75913cd99ae",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-03-18T07:02:07Z",
    "title_canon_sha256": "eadc6448cabf95b060b86fbf5e9f3c5f146ef36aebd4ff4c9c327728b89cf44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3562",
    "kind": "arxiv",
    "version": 2
  }
}