Pith Number

pith:WMKG6TA4

pith:2016:WMKG6TA4ATCYDFMNEA7QW6S3Q5

not attested not anchored not stored refs pending

Positive metric entropy arises in some nondegenerate nearly integrable systems

Dong Chen

arxiv:1604.07483 v2 · 2016-04-26 · 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{WMKG6TA4ATCYDFMNEA7QW6S3Q5}

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	2026-05-18T01:02:30.685947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3146f4c1c04c581958d203f0b7a5b87459211009fb9b92657dfd9c6624e3255

Aliases

arxiv: 1604.07483 · arxiv_version: 1604.07483v2 · doi: 10.48550/arxiv.1604.07483 · pith_short_12: WMKG6TA4ATCY · pith_short_16: WMKG6TA4ATCYDFMN · pith_short_8: WMKG6TA4

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/WMKG6TA4ATCYDFMNEA7QW6S3Q5 \
  | 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: b3146f4c1c04c581958d203f0b7a5b87459211009fb9b92657dfd9c6624e3255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00707e8597a868cfdf5a3da2b6e1252d22edc25dfcee0585a096db81e4c6400f",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-04-26T00:40:59Z",
    "title_canon_sha256": "075cc090fa4b3c5a077be5d7924772c33ec21a9bf440fa520c621b9ec9942c27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07483",
    "kind": "arxiv",
    "version": 2
  }
}