Pith Number

pith:GY2XMVXR

pith:2021:GY2XMVXR27OHEKC63PR4MYQQEP

not attested not anchored not stored refs pending

Deeply Unsupervised Patch Re-Identification for Pre-training Object Detectors

Chenhan Jiang, Enze Xie, Gui-Song Xia, Hang Xu, Jian Ding, Ping Luo, Zhenguo Li

arxiv:2103.04814 v2 · 2021-03-08 · 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{GY2XMVXR27OHEKC63PR4MYQQEP}

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	2026-07-05T04:12:48.606661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36357656f1d7dc72285edbe3c6621023d02abcb7364e52a2736c9f785d500073

Aliases

arxiv: 2103.04814 · arxiv_version: 2103.04814v2 · doi: 10.48550/arxiv.2103.04814 · pith_short_12: GY2XMVXR27OH · pith_short_16: GY2XMVXR27OHEKC6 · pith_short_8: GY2XMVXR

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/GY2XMVXR27OHEKC63PR4MYQQEP \
  | 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: 36357656f1d7dc72285edbe3c6621023d02abcb7364e52a2736c9f785d500073

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00a24abcebcac59458608f01da567e9b66b51b7e5367a748ce0e8efca18cf827",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-08T15:13:59Z",
    "title_canon_sha256": "cd87e999937a5b8b5897d89ea6da2a4e8f8c09f7ee04687223a2850ec84b4834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04814",
    "kind": "arxiv",
    "version": 2
  }
}