Pith Number

pith:EUQNQ6TN

pith:2017:EUQNQ6TNTGLKRON5FQDMY6YSPZ

not attested not anchored not stored refs pending

Demonstration of a magnetic Prandtl number disc instability from first principles

Steven A. Balbus, William J. Potter

arxiv:1704.02485 v1 · 2017-04-08 · astro-ph.HE · 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{EUQNQ6TNTGLKRON5FQDMY6YSPZ}

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	2026-05-18T00:33:18.855822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2520d87a6d9996a8b9bd2c06cc7b127e6a9fbf85d9a18f41e914b95bb192ae8c

Aliases

arxiv: 1704.02485 · arxiv_version: 1704.02485v1 · doi: 10.48550/arxiv.1704.02485 · pith_short_12: EUQNQ6TNTGLK · pith_short_16: EUQNQ6TNTGLKRON5 · pith_short_8: EUQNQ6TN

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/EUQNQ6TNTGLKRON5FQDMY6YSPZ \
  | 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: 2520d87a6d9996a8b9bd2c06cc7b127e6a9fbf85d9a18f41e914b95bb192ae8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fcc151d7ecb09f20908b668c44c1436b5e232bca02a77010cdc3b141c8d2088",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-04-08T12:16:17Z",
    "title_canon_sha256": "26461ad8e56fcb2ffa758fe0534adac5c886e4e95105e2a3746355519539c36a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02485",
    "kind": "arxiv",
    "version": 1
  }
}