Pith Number

pith:GOK4ZQO2

pith:2021:GOK4ZQO2RBTGNLK26MVCXVGE7O

not attested not anchored not stored refs pending

Event-Based Feature Tracking in Continuous Time with Sliding Window Optimization

Daniel Cremers, Jason Chui, Simon Klenk

arxiv:2107.04536 v1 · 2021-07-09 · 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{GOK4ZQO2RBTGNLK26MVCXVGE7O}

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	2026-07-05T02:56:34.463734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3395ccc1da886666ad5af32a2bd4c4fb81635106a02541c010fadc68701864d1

Aliases

arxiv: 2107.04536 · arxiv_version: 2107.04536v1 · doi: 10.48550/arxiv.2107.04536 · pith_short_12: GOK4ZQO2RBTG · pith_short_16: GOK4ZQO2RBTGNLK2 · pith_short_8: GOK4ZQO2

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/GOK4ZQO2RBTGNLK26MVCXVGE7O \
  | 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: 3395ccc1da886666ad5af32a2bd4c4fb81635106a02541c010fadc68701864d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c453f405ff491a1142c4e4c36988b66ad49ff4cf7d58fa95f6518d57030beec4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-09T16:41:20Z",
    "title_canon_sha256": "aaea34cda7583b01f05ffee394f6bbe8aaab8674e2482a74405e5dbdc6d943f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04536",
    "kind": "arxiv",
    "version": 1
  }
}