Pith Number

pith:WN2AZUKO

pith:2017:WN2AZUKOCSUVQXMDXVMFFLD2SZ

not attested not anchored not stored refs pending

BOTDA using OFDM channel estimation

Can Zhao, Deming Liu, Hao Wu, Jiadi Wu, Liang Wang, Ming Tang, Perry Ping Shum, Songnian Fu, Yunli Dang, Zhiyong Zhao

arxiv:1702.02291 v1 · 2017-02-08 · physics.ins-det · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WN2AZUKOCSUVQXMDXVMFFLD2SZ}

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	2026-05-18T00:50:59.048009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3740cd14e14a9585d83bd5852ac7a964a920334ac83bcc4b7ae25d76b70459d

Aliases

arxiv: 1702.02291 · arxiv_version: 1702.02291v1 · doi: 10.48550/arxiv.1702.02291 · pith_short_12: WN2AZUKOCSUV · pith_short_16: WN2AZUKOCSUVQXMD · pith_short_8: WN2AZUKO

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/WN2AZUKOCSUVQXMDXVMFFLD2SZ \
  | 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: b3740cd14e14a9585d83bd5852ac7a964a920334ac83bcc4b7ae25d76b70459d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "361f9a36358f33ab40563572e47fc408ee115312169bcd357112b3b01b432dbd",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2017-02-08T05:05:40Z",
    "title_canon_sha256": "3bef8120c37356b4e5bb836fcbf74467820325509cef94db017e08808870af9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02291",
    "kind": "arxiv",
    "version": 1
  }
}