Pith Number

pith:EQZTJM4Y

pith:2026:EQZTJM4YLTGVW3IRZNJR4XFTHG

not attested not anchored not stored refs pending

One Knob to Rule Them All: A Unified Optimal Transport View of Cold-Start Active Learning

An Chen, Jingze Liang, Juntao Xu, Liang-Jian Deng, Mengfei Zhao, Ning Zhu, Xiaochuan Ma

arxiv:2608.03249 v1 · 2026-08-04 · 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{EQZTJM4YLTGVW3IRZNJR4XFTHG}

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	2026-08-05T00:46:24.199735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

243334b3985ccd5b6d11cb531e5cb339a442354c8475c4b8db8d95505bddc4b6

Aliases

arxiv: 2608.03249 · arxiv_version: 2608.03249v1 · doi: 10.48550/arxiv.2608.03249 · pith_short_12: EQZTJM4YLTGV · pith_short_16: EQZTJM4YLTGVW3IR · pith_short_8: EQZTJM4Y

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/EQZTJM4YLTGVW3IRZNJR4XFTHG \
  | 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: 243334b3985ccd5b6d11cb531e5cb339a442354c8475c4b8db8d95505bddc4b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44e6c824095c1c3d8c30c56757035fdecc9a8dfc5ba40dc6dda82c6cd63de832",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-04T07:21:39Z",
    "title_canon_sha256": "677120461c6b47a71240dc234dd673f49ea29354c101fff1ddb392e9a5856774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03249",
    "kind": "arxiv",
    "version": 1
  }
}