Pith Number

pith:NMGHLYCA

pith:2019:NMGHLYCA7RRQJRZBVTU4OIDDXJ

not attested not anchored not stored refs pending

Weak solutions of ideal MHD which do not conserve magnetic helicity

Rajendra Beekie, Tristan Buckmaster, Vlad Vicol

arxiv:1907.10436 v1 · 2019-07-24 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMGHLYCA7RRQJRZBVTU4OIDDXJ}

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	2026-05-17T23:39:37.939649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b0c75e040fc6304c721ace9c72063ba4a4ba8229a6627c8ba2bb65be3684c1e

Aliases

arxiv: 1907.10436 · arxiv_version: 1907.10436v1 · doi: 10.48550/arxiv.1907.10436 · pith_short_12: NMGHLYCA7RRQ · pith_short_16: NMGHLYCA7RRQJRZB · pith_short_8: NMGHLYCA

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/NMGHLYCA7RRQJRZBVTU4OIDDXJ \
  | 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: 6b0c75e040fc6304c721ace9c72063ba4a4ba8229a6627c8ba2bb65be3684c1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcc863aa6d172754a679213b78fc3923424aa778f5a343a36926b4705457861e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-24T13:29:12Z",
    "title_canon_sha256": "30349d52497666e518b61fbc4c49d49f3ee98353f068a39cc5dbe6bef196c602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10436",
    "kind": "arxiv",
    "version": 1
  }
}