Pith Number

pith:W2LTSXUY

pith:2020:W2LTSXUY6FWDFAFZ7JMAJEDV2S

not attested not anchored not stored refs pending

Tracking by Instance Detection: A Meta-Learning Approach

Chong Luo, Guangting Wang, Wenjun Zeng, Xiaoyan Sun, Zhiwei Xiong

arxiv:2004.00830 v1 · 2020-04-02 · 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{W2LTSXUY6FWDFAFZ7JMAJEDV2S}

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	2026-07-05T00:52:21.112285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b697395e98f16c3280b9fa58049075d4a307e1badb7de8d46c8afdc7b8cd1789

Aliases

arxiv: 2004.00830 · arxiv_version: 2004.00830v1 · doi: 10.48550/arxiv.2004.00830 · pith_short_12: W2LTSXUY6FWD · pith_short_16: W2LTSXUY6FWDFAFZ · pith_short_8: W2LTSXUY

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/W2LTSXUY6FWDFAFZ7JMAJEDV2S \
  | 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: b697395e98f16c3280b9fa58049075d4a307e1badb7de8d46c8afdc7b8cd1789

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89ecff36014d9079155ac6e80c6e2f6335b9acd0a0f732a7bea78db53d4e5170",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-02T05:55:06Z",
    "title_canon_sha256": "58c8d13ad39005ca0cf2619633a1a6a0fb62a38e3f79109551cdb408267d8076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00830",
    "kind": "arxiv",
    "version": 1
  }
}