Pith Number

pith:ULM2AM2I

pith:2019:ULM2AM2I2MV3CG7RX2JVFGOKYC

not attested not anchored not stored refs pending

Magnetohydrodynamic waves in braided magnetic fields

Alan Hood, Ineke De Moortel, Jack Reid, Thomas Howson

arxiv:1908.03089 v1 · 2019-08-08 · 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{ULM2AM2I2MV3CG7RX2JVFGOKYC}

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	2026-07-05T00:03:51.491792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d9a03348d32bb11bf1be935299cac09c8881546fdecba0786f2ed7fd60d4f0

Aliases

arxiv: 1908.03089 · arxiv_version: 1908.03089v1 · doi: 10.48550/arxiv.1908.03089 · pith_short_12: ULM2AM2I2MV3 · pith_short_16: ULM2AM2I2MV3CG7R · pith_short_8: ULM2AM2I

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/ULM2AM2I2MV3CG7RX2JVFGOKYC \
  | 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: a2d9a03348d32bb11bf1be935299cac09c8881546fdecba0786f2ed7fd60d4f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae80482c6a15c6ae32b18583375fd38042d2a9c7a139c4bc2a0a0d869913e653",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-08T14:17:30Z",
    "title_canon_sha256": "c627234281a3849a36819723219c35337463b51a8223fa6168571f0e281eaa34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03089",
    "kind": "arxiv",
    "version": 1
  }
}