Pith Number

pith:WTJ2DJ4I

pith:2019:WTJ2DJ4IOEGWAHEHH754C3CPIF

not attested not anchored not stored refs pending

Laser-based underwater transfer of radio-frequency clock signal with electronic phase compensation

Danian Zhang, Dong Hou, Fuyu Sun, Guangkun Guo

arxiv:1901.06927 v1 · 2019-01-21 · physics.app-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTJ2DJ4IOEGWAHEHH754C3CPIF}

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	2026-05-17T23:55:48.670597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4d3a1a788710d601c873ffbc16c4f417dd1cd7a4be870cea1a29f66663719a9

Aliases

arxiv: 1901.06927 · arxiv_version: 1901.06927v1 · doi: 10.48550/arxiv.1901.06927 · pith_short_12: WTJ2DJ4IOEGW · pith_short_16: WTJ2DJ4IOEGWAHEH · pith_short_8: WTJ2DJ4I

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/WTJ2DJ4IOEGWAHEHH754C3CPIF \
  | 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: b4d3a1a788710d601c873ffbc16c4f417dd1cd7a4be870cea1a29f66663719a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "069bdccf230d61464983a0f3bef63840320be320fb8839ec9d08ee4d0a94a599",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-01-21T13:29:55Z",
    "title_canon_sha256": "5dd01b60aee8a207e175dfcad4b640b8124e58912dd3a9509a56f76f4e60134b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06927",
    "kind": "arxiv",
    "version": 1
  }
}