Pith Number

pith:OQAPRVHB

pith:2022:OQAPRVHBIHA45D5TPGRZUO2OCS

not attested not anchored not stored refs pending

Object Gathering with a Tethered Robot Duo

Hangxin Liu, Yao Su, Yixin Zhu, Yuhong Jiang

arxiv:2201.04280 v1 · 2022-01-12 · 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{OQAPRVHBIHA45D5TPGRZUO2OCS}

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	2026-07-05T03:47:58.632836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7400f8d4e141c1ce8fb379a39a3b4e148e4b8b624fcdd54e53f198918b8594f1

Aliases

arxiv: 2201.04280 · arxiv_version: 2201.04280v1 · doi: 10.48550/arxiv.2201.04280 · pith_short_12: OQAPRVHBIHA4 · pith_short_16: OQAPRVHBIHA45D5T · pith_short_8: OQAPRVHB

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/OQAPRVHBIHA45D5TPGRZUO2OCS \
  | 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: 7400f8d4e141c1ce8fb379a39a3b4e148e4b8b624fcdd54e53f198918b8594f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bb0b3ae60e0f0ac658249b370f528e5051ff4f79856d40fc7ebf98c2b185633",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2022-01-12T03:12:40Z",
    "title_canon_sha256": "9c83e6d435454a3b4fa20168c80558e860a040fe9a8d7125cbf41fa1501b0fa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04280",
    "kind": "arxiv",
    "version": 1
  }
}