Pith Number

pith:VPUGRT4B

pith:2014:VPUGRT4BLIZPPGFSYNRQCEFJSY

not attested not anchored not stored refs pending

Geometry of integrable non-Hamiltonian systems

Nguyen Tien Zung

arxiv:1407.4494 v1 · 2014-07-16 · math.DS · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPUGRT4BLIZPPGFSYNRQCEFJSY}

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	2026-05-18T02:47:23.831535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abe868cf815a32f798b2c3630110a996086a78645828d66fe4f7beb9ecdb0813

Aliases

arxiv: 1407.4494 · arxiv_version: 1407.4494v1 · doi: 10.48550/arxiv.1407.4494 · pith_short_12: VPUGRT4BLIZP · pith_short_16: VPUGRT4BLIZPPGFS · pith_short_8: VPUGRT4B

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/VPUGRT4BLIZPPGFSYNRQCEFJSY \
  | 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: abe868cf815a32f798b2c3630110a996086a78645828d66fe4f7beb9ecdb0813

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0711a7dde6b16500a7566b1a4ba0d8fd29f798707ccd9651cc20f624b06d6283",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-07-16T20:50:06Z",
    "title_canon_sha256": "e469e585546e56fb02a814d5a0496133cf734ff642d814e7ef5ced2da3f64f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4494",
    "kind": "arxiv",
    "version": 1
  }
}