Pith Number

pith:6OJIJW3W

pith:2023:6OJIJW3WD7EJ5SOYQL3DTPXXII

not attested not anchored not stored refs pending

Fast calibration for ultrasound imaging guidance based on depth camera

Fuqiang Zhao, Mengde Li, Miao Li, Mingchang Li, Zhongtao Fu

arxiv:2308.05401 v1 · 2023-08-10 · 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{6OJIJW3WD7EJ5SOYQL3DTPXXII}

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	2026-07-05T06:40:00.196507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f39284db761fc89ec9d882f639bef7422a5a9401ee21aa5794e9c8cc0ba05f30

Aliases

arxiv: 2308.05401 · arxiv_version: 2308.05401v1 · doi: 10.48550/arxiv.2308.05401 · pith_short_12: 6OJIJW3WD7EJ · pith_short_16: 6OJIJW3WD7EJ5SOY · pith_short_8: 6OJIJW3W

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/6OJIJW3WD7EJ5SOYQL3DTPXXII \
  | 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: f39284db761fc89ec9d882f639bef7422a5a9401ee21aa5794e9c8cc0ba05f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84da5ab7b4a5f7e6664ee9f5f2ec2ac2948fc982d26ed2a4ee13b786e5bea42a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2023-08-10T07:40:08Z",
    "title_canon_sha256": "3beaaf336ecc11b4930b74a4940cfe581732257a604ba934c6628596030208c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.05401",
    "kind": "arxiv",
    "version": 1
  }
}