Pith Number

pith:KODC2P4J

pith:2021:KODC2P4JY4CGBVCIFARJBEKDRJ

not attested not anchored not stored refs pending

Interference fading suppression in Phi-OTDR using space-division multiplexed probes

Chao Lu, Huan Wu, Junhui Hu, Kun Zhu, Ming Tang, Yaxi Yan, Yunli Dang, Zhiyong Zhao

arxiv:2103.12394 v1 · 2021-03-23 · 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{KODC2P4JY4CGBVCIFARJBEKDRJ}

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	2026-07-05T02:41:18.410789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53862d3f89c70460d44828229091438a5f5ef7844b5c38ae934d8f3c8b165a88

Aliases

arxiv: 2103.12394 · arxiv_version: 2103.12394v1 · doi: 10.48550/arxiv.2103.12394 · pith_short_12: KODC2P4JY4CG · pith_short_16: KODC2P4JY4CGBVCI · pith_short_8: KODC2P4J

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/KODC2P4JY4CGBVCIFARJBEKDRJ \
  | 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: 53862d3f89c70460d44828229091438a5f5ef7844b5c38ae934d8f3c8b165a88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34702ec2e6cf2f59e9e95125e5a866a07c3f66a9e786659849b999c09a6f5e58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-03-23T08:49:59Z",
    "title_canon_sha256": "346178a865aba6f15be050cd14ce7ec661b5b0b4ee0ab41f7332f6f9e54b8a12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12394",
    "kind": "arxiv",
    "version": 1
  }
}