Pith Number

pith:O5DUZ7AC

pith:2018:O5DUZ7ACCTTNKXC2I6XP2M3G6L

not attested not anchored not stored refs pending

Object Tracking in Satellite Videos Based on a Multi-Frame Optical Flow Tracker

Bo Du, Chen Wu, Dacheng Tao, Liangpei Zhang, Shihan Cai

arxiv:1804.09323 v1 · 2018-04-25 · 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{O5DUZ7ACCTTNKXC2I6XP2M3G6L}

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	2026-05-18T00:17:32.118881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77474cfc0214e6d55c5a47aefd3366f2d019e5e92bb4a94341edee5575180bab

Aliases

arxiv: 1804.09323 · arxiv_version: 1804.09323v1 · doi: 10.48550/arxiv.1804.09323 · pith_short_12: O5DUZ7ACCTTN · pith_short_16: O5DUZ7ACCTTNKXC2 · pith_short_8: O5DUZ7AC

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/O5DUZ7ACCTTNKXC2I6XP2M3G6L \
  | 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: 77474cfc0214e6d55c5a47aefd3366f2d019e5e92bb4a94341edee5575180bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88704c9ef18774f91ceb02c7fccfa9944f26ee406c2d7f7811ecad7e0337b401",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-04-25T02:27:30Z",
    "title_canon_sha256": "90c855acd3071509f4ab8e14525518b25070a60ecdb484865d9440b10e23f01c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09323",
    "kind": "arxiv",
    "version": 1
  }
}