Pith Number

pith:4FGH3UZB

pith:2018:4FGH3UZBO733IZ55F67XBE2GXQ

not attested not anchored not stored refs pending

Poisson brackets of even symplectic forms on the algebra of differential forms

Jos\'e Antonio Vallejo, Juan Monterde

arxiv:1805.10308 v1 · 2018-05-25 · math-ph · math.DG · 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{4FGH3UZBO733IZ55F67XBE2GXQ}

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	2026-05-18T00:14:52.974087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e14c7dd32177f7b467bd2fbf709346bc2432298d30b724a88475c15b7bd15742

Aliases

arxiv: 1805.10308 · arxiv_version: 1805.10308v1 · doi: 10.48550/arxiv.1805.10308 · pith_short_12: 4FGH3UZBO733 · pith_short_16: 4FGH3UZBO733IZ55 · pith_short_8: 4FGH3UZB

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/4FGH3UZBO733IZ55F67XBE2GXQ \
  | 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: e14c7dd32177f7b467bd2fbf709346bc2432298d30b724a88475c15b7bd15742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8868dde2953303cd56b890c2765909cd5b8db5fcaadaed0f97727016f4a48e3f",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-05-25T18:16:41Z",
    "title_canon_sha256": "6341f8802eeb88bdaa6be80732b512f7e5b5d1711e3d334821f8bd0906f6203f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10308",
    "kind": "arxiv",
    "version": 1
  }
}