Pith Number

pith:EPPP4MHJ

pith:2018:EPPP4MHJARQVPKFU6CN6ODPODQ

not attested not anchored not stored refs pending

Local Diffeomorphisms in Symplectic Space and Hamiltonian Systems with Constraints

Konstantinos Kourliouros

arxiv:1810.00309 v1 · 2018-09-30 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPPP4MHJARQVPKFU6CN6ODPODQ}

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	2026-05-17T23:53:41.942482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23defe30e9046157a8b4f09be70dee1c04720346831649583f2bd1f54e24c8ba

Aliases

arxiv: 1810.00309 · arxiv_version: 1810.00309v1 · doi: 10.48550/arxiv.1810.00309 · pith_short_12: EPPP4MHJARQV · pith_short_16: EPPP4MHJARQVPKFU · pith_short_8: EPPP4MHJ

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/EPPP4MHJARQVPKFU6CN6ODPODQ \
  | 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: 23defe30e9046157a8b4f09be70dee1c04720346831649583f2bd1f54e24c8ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "facc7373464ba729feface21f7182a912b0816aa55653052a1fb94eb09675d3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-09-30T03:57:39Z",
    "title_canon_sha256": "5c47e40659dcf063e3b3c9d5f1b2fea091f61aca54c25e4d01150938a6a7fe82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00309",
    "kind": "arxiv",
    "version": 1
  }
}