Pith Number

pith:NX5D6BUK

pith:2026:NX5D6BUKIKJLXJ2J47DSYMGJLO

not attested not anchored not stored refs pending

TopoCast: A Topological Fidelity Framework for Evaluating Transformer-Based Time Series Forecasting

Sandareka Wickramanayake, Sandeepa Weerasekara

arxiv:2606.25439 v1 · 2026-06-24 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NX5D6BUKIKJLXJ2J47DSYMGJLO}

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	2026-06-25T01:18:05.368987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dfa3f068a4292bba749e7c72c30c95bb86761bd80af6f7544852eb981afa1f3

Aliases

arxiv: 2606.25439 · arxiv_version: 2606.25439v1 · doi: 10.48550/arxiv.2606.25439 · pith_short_12: NX5D6BUKIKJL · pith_short_16: NX5D6BUKIKJLXJ2J · pith_short_8: NX5D6BUK

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/NX5D6BUKIKJLXJ2J47DSYMGJLO \
  | 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: 6dfa3f068a4292bba749e7c72c30c95bb86761bd80af6f7544852eb981afa1f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c29e23a73a4502a91586685fe1277d99e480cc7016e9dac3b42ffa9c645c93f3",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-24T06:03:39Z",
    "title_canon_sha256": "daf36e069bbccfee16c8d6809ace125044e045fced68b4a335bfa87b0b2970f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25439",
    "kind": "arxiv",
    "version": 1
  }
}