Pith Number

pith:3REWDOGB

pith:1999:3REWDOGBHZY6JCVVUIFQLMZ4IX

not attested not anchored not stored refs pending

Theory of Two Dimensional Mean Field Electron Magnetohydrodynamics

Amita Das, P. H. Diamond

arxiv:physics/9906014 v1 · 1999-06-07 · physics.plasm-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{3REWDOGBHZY6JCVVUIFQLMZ4IX}

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	2026-07-04T16:15:35.355043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc4961b8c13e71e48ab5a20b05b33c45ca2ee413e707c89f482ad3a04e46c2b8

Aliases

arxiv: physics/9906014 · arxiv_version: physics/9906014v1 · doi: 10.48550/arxiv.physics/9906014 · pith_short_12: 3REWDOGBHZY6 · pith_short_16: 3REWDOGBHZY6JCVV · pith_short_8: 3REWDOGB

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/3REWDOGBHZY6JCVVUIFQLMZ4IX \
  | 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: dc4961b8c13e71e48ab5a20b05b33c45ca2ee413e707c89f482ad3a04e46c2b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c8a522f92490cd5deeb5a9e240697af3e31dfcd0cf1116d4cfa5a21389901f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "1999-06-07T20:00:03Z",
    "title_canon_sha256": "47e20b659d4d8a908d69e02fa8546eadecde69c9fcfcd40e146ce89ce1d13cc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9906014",
    "kind": "arxiv",
    "version": 1
  }
}