Pith Number

pith:D4WIVIWD

pith:2024:D4WIVIWDZTXOVE2GDPDTDVR3IJ

not attested not anchored not stored refs pending

Unsupervised UAV 3D Trajectories Estimation with Sparse Point Clouds

Fen Liu, Hanfang Liang, Jianfei Yang, Jinming Hu, Shenghai Yuan, Yizhuo Yang

arxiv:2412.12716 v5 · 2024-12-17 · cs.CV · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4WIVIWDZTXOVE2GDPDTDVR3IJ}

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	2026-07-05T10:02:56.318714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f2c8aa2c3cceeea93461bc731d63b4268c55769b4d0d382bad2c14b1fd94969

Aliases

arxiv: 2412.12716 · arxiv_version: 2412.12716v5 · doi: 10.48550/arxiv.2412.12716 · pith_short_12: D4WIVIWDZTXO · pith_short_16: D4WIVIWDZTXOVE2G · pith_short_8: D4WIVIWD

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/D4WIVIWDZTXOVE2GDPDTDVR3IJ \
  | 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: 1f2c8aa2c3cceeea93461bc731d63b4268c55769b4d0d382bad2c14b1fd94969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd88469f5fc92b9ec54c56f638b8e10874f2032c1b35309b65923b268d5f9c6b",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-12-17T09:30:31Z",
    "title_canon_sha256": "9fdcd9d016e04ec8f96cfbafba0360af209fba549a5bdfe70ae5d85a9984b697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.12716",
    "kind": "arxiv",
    "version": 5
  }
}