Pith Number

pith:K7M2PFBR

pith:2023:K7M2PFBRY65BRKKLZPECAWFQZZ

not attested not anchored not stored refs pending

Direct Poisson neural networks: Learning non-symplectic mechanical systems

Martin \v{S}\'ipka, Michal Pavelka, Miroslav Grmela, O\u{g}ul Esen

arxiv:2305.05540 v1 · 2023-05-07 · math-ph · math.MP · physics.comp-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7M2PFBRY65BRKKLZPECAWFQZZ}

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	2026-07-05T06:08:35.998453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d9a79431c7ba18a94bcbc82058b0ce4b29a4c9f41acb8cabac522fcb3b59f9

Aliases

arxiv: 2305.05540 · arxiv_version: 2305.05540v1 · doi: 10.48550/arxiv.2305.05540 · pith_short_12: K7M2PFBRY65B · pith_short_16: K7M2PFBRY65BRKKL · pith_short_8: K7M2PFBR

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/K7M2PFBRY65BRKKLZPECAWFQZZ \
  | 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: 57d9a79431c7ba18a94bcbc82058b0ce4b29a4c9f41acb8cabac522fcb3b59f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ecf970564ae9040cd5319e55a0337eb73b3944e740da26f11f118c03c95397e",
    "cross_cats_sorted": [
      "math.MP",
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2023-05-07T15:24:41Z",
    "title_canon_sha256": "2fa729be40d27c8ea645ea4714f3888be0aeb8694e508ee81614ca80aa681388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.05540",
    "kind": "arxiv",
    "version": 1
  }
}