Pith Number

pith:BJHQCDYK

pith:2018:BJHQCDYKCHUNKSWODUALOCJN2L

not attested not anchored not stored refs pending

Metriplectic torque for rotation control of a rigid body

Massimo Materassi, Philip J. Morrison

arxiv:1807.01168 v1 · 2018-07-01 · physics.class-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJHQCDYKCHUNKSWODUALOCJN2L}

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	2026-05-18T00:11:45.051841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a4f010f0a11e8d54ace1d00b7092dd2e9347f1e2026974b90d18243c6444b09

Aliases

arxiv: 1807.01168 · arxiv_version: 1807.01168v1 · doi: 10.48550/arxiv.1807.01168 · pith_short_12: BJHQCDYKCHUN · pith_short_16: BJHQCDYKCHUNKSWO · pith_short_8: BJHQCDYK

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/BJHQCDYKCHUNKSWODUALOCJN2L \
  | 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: 0a4f010f0a11e8d54ace1d00b7092dd2e9347f1e2026974b90d18243c6444b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "894d92e0cf214a71cdc4f77ec09ce735c1dd3cd3faa1a16185fc889fb2695da0",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-07-01T20:48:24Z",
    "title_canon_sha256": "dcbd300b319020ee4d9a101b7ddd04de4ed951d8390560ef7788d151710651ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01168",
    "kind": "arxiv",
    "version": 1
  }
}