Pith Number

pith:HN7347PJ

pith:2018:HN7347PJVCIOLDW3KKNRRGXLEU

not attested not anchored not stored refs pending

Rebooting Ultrasonic Positioning Systems for Ultrasound-incapable Smart Devices

Lei Yang, Qiongzheng Lin, Zhenlin An

arxiv:1812.02349 v2 · 2018-12-06 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HN7347PJVCIOLDW3KKNRRGXLEU}

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	2026-05-17T23:58:47.046439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b7fbe7de9a890e58edb529b189aeb2535fa421d37a60a71334b6e0cc4bcb30e

Aliases

arxiv: 1812.02349 · arxiv_version: 1812.02349v2 · doi: 10.48550/arxiv.1812.02349 · pith_short_12: HN7347PJVCIO · pith_short_16: HN7347PJVCIOLDW3 · pith_short_8: HN7347PJ

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/HN7347PJVCIOLDW3KKNRRGXLEU \
  | 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: 3b7fbe7de9a890e58edb529b189aeb2535fa421d37a60a71334b6e0cc4bcb30e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9539bb3c38ae603f354b26b6b6fbd0fe1800415baec67e921957522bb31a13e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2018-12-06T05:02:20Z",
    "title_canon_sha256": "43397aacebfb6b35fa0d0565daa329c08a9d6c3425d45b51af009d88a2081504"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02349",
    "kind": "arxiv",
    "version": 2
  }
}