Pith Number

pith:WC4UBLW5

pith:2019:WC4UBLW56TF3JXPE7X6CMTQKA2

not attested not anchored not stored refs pending

Topologically Stable Equicontinuous Non-Autonomous Systems

Abdul Gaffar Khan, Pramod Kumar Das, Tarun Das

arxiv:1906.09815 v1 · 2019-06-24 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WC4UBLW56TF3JXPE7X6CMTQKA2}

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	2026-05-17T23:42:36.586851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b940aeddf4cbb4dde4fdfc264e0a06943df2d3bdbaee8e266515c546c73065

Aliases

arxiv: 1906.09815 · arxiv_version: 1906.09815v1 · doi: 10.48550/arxiv.1906.09815 · pith_short_12: WC4UBLW56TF3 · pith_short_16: WC4UBLW56TF3JXPE · pith_short_8: WC4UBLW5

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/WC4UBLW56TF3JXPE7X6CMTQKA2 \
  | 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: b0b940aeddf4cbb4dde4fdfc264e0a06943df2d3bdbaee8e266515c546c73065

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b83c31490a82c73776e599861a5a66991f47ea2d4b8e6851e714398492e818",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-06-24T09:42:53Z",
    "title_canon_sha256": "3eb653058d6e610e66dfdf52df36c7670f6e97d7f0835572f1a8b347919855e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09815",
    "kind": "arxiv",
    "version": 1
  }
}