Pith Number

pith:IXTUQC4H

pith:2026:IXTUQC4HQBNFNLPYDINHSTJNXM

not attested not anchored not stored refs pending

Spectral-Aware Analytic Class-Incremental Learning for Long-Tailed Distributions

Dimitris Metaxas, Hai Nguyen, Nam Le, Quan Dao, Quyen Tran, Trung Le, Zhuowei Li

arxiv:2607.22931 v1 · 2026-07-24 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXTUQC4HQBNFNLPYDINHSTJNXM}

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	2026-07-28T00:22:02.741703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45e7480b87805a56adf81a1a794d2dbb39139d22efb04a2acc88b6a26e901524

Aliases

arxiv: 2607.22931 · arxiv_version: 2607.22931v1 · doi: 10.48550/arxiv.2607.22931 · pith_short_12: IXTUQC4HQBNF · pith_short_16: IXTUQC4HQBNFNLPY · pith_short_8: IXTUQC4H

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/IXTUQC4HQBNFNLPYDINHSTJNXM \
  | 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: 45e7480b87805a56adf81a1a794d2dbb39139d22efb04a2acc88b6a26e901524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea406d525c86d5c7fa60352ef0dbccce5853ebd7323f7859bfa5d036fb8c8c52",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-24T22:12:15Z",
    "title_canon_sha256": "80f4c12bdd2460b222038b4f499ad94de6b54c0bc45f20dd86972fae8d684570"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22931",
    "kind": "arxiv",
    "version": 1
  }
}