Pith Number

pith:E4Q5V2CW

pith:2022:E4Q5V2CWXVDMJS4BUFPPLYDYFQ

not attested not anchored not stored refs pending

Hot-Refresh Model Upgrades with Regression-Alleviating Compatible Training in Image Retrieval

Binjie Zhang, Chun Yuan, Xuyuan Xu, Yantao Shen, Yexin Wang, Ying Shan, Yixiao Ge, Yu Li

arxiv:2201.09724 v1 · 2022-01-24 · 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{E4Q5V2CWXVDMJS4BUFPPLYDYFQ}

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	2026-07-05T03:51:00.368364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2721dae856bd46c4cb81a15ef5e0782c2a4532371a5c2dd565f13a330a42a407

Aliases

arxiv: 2201.09724 · arxiv_version: 2201.09724v1 · doi: 10.48550/arxiv.2201.09724 · pith_short_12: E4Q5V2CWXVDM · pith_short_16: E4Q5V2CWXVDMJS4B · pith_short_8: E4Q5V2CW

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/E4Q5V2CWXVDMJS4BUFPPLYDYFQ \
  | 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: 2721dae856bd46c4cb81a15ef5e0782c2a4532371a5c2dd565f13a330a42a407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "191d427f3fa090b0d31a62556aa9b2cdefcddbf7bc1fe42c42c7df6cc5c94a0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-24T14:59:12Z",
    "title_canon_sha256": "9b0105ac665e606ad9daa75ad83d9727f1676812f86ff7312a438bcd4ab8f2d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.09724",
    "kind": "arxiv",
    "version": 1
  }
}