Pith Number

pith:N32DYVZD

pith:2025:N32DYVZDSHSHTOYQTJFH2WZUJZ

not attested not anchored not stored refs pending

ProTracker: Probabilistic Integration for Robust and Accurate Point Tracking

Baoquan Chen, Chen Wang, Jiahui Lei, Lingjie Liu, Qingzhe Gao, Tingyang Zhang, Zhiyang Dou

arxiv:2501.03220 v2 · 2025-01-06 · 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{N32DYVZDSHSHTOYQTJFH2WZUJZ}

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	2026-07-05T10:27:23.028674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ef43c572391e479bb109a4a7d5b344e66778e8f2c730a6d1ef97d2fb37c96ad

Aliases

arxiv: 2501.03220 · arxiv_version: 2501.03220v2 · doi: 10.48550/arxiv.2501.03220 · pith_short_12: N32DYVZDSHSH · pith_short_16: N32DYVZDSHSHTOYQ · pith_short_8: N32DYVZD

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/N32DYVZDSHSHTOYQTJFH2WZUJZ \
  | 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: 6ef43c572391e479bb109a4a7d5b344e66778e8f2c730a6d1ef97d2fb37c96ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d2577020f6ca52cec8912e348cfbb76809362a848f2ad06227c6bbf296566c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-06T18:55:52Z",
    "title_canon_sha256": "90a80ca60499fef79a9e68573a97b5a7b3de6bf1aaed875e9da7149e2e8597f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.03220",
    "kind": "arxiv",
    "version": 2
  }
}