Pith Number

pith:O6N4CWJJ

pith:2015:O6N4CWJJNP7FUNH6BMWUWU3DGY

not attested not anchored not stored refs pending

Underwater Doppler Navigation with Self-calibration

Xianfei Pan, Yuanxin Wu

arxiv:1509.02054 v1 · 2015-09-07 · cs.RO · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6N4CWJJNP7FUNH6BMWUWU3DGY}

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	2026-05-18T01:33:49.830124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

779bc159296bfe5a34fe0b2d4b536336029e2155c9f36bf229a8b1499be72bde

Aliases

arxiv: 1509.02054 · arxiv_version: 1509.02054v1 · doi: 10.48550/arxiv.1509.02054 · pith_short_12: O6N4CWJJNP7F · pith_short_16: O6N4CWJJNP7FUNH6 · pith_short_8: O6N4CWJJ

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/O6N4CWJJNP7FUNH6BMWUWU3DGY \
  | 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: 779bc159296bfe5a34fe0b2d4b536336029e2155c9f36bf229a8b1499be72bde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def0bf3326ba0c0a5d3c7d2c5a8837c2cfe3567cdcd7c03cc2c6eda504b37117",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2015-09-07T14:20:32Z",
    "title_canon_sha256": "21790327879577a117d5fcd798a89a2a2b3d8fc1493a47a4dcf91167d449c149"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02054",
    "kind": "arxiv",
    "version": 1
  }
}