Pith Number

pith:CPVMNJQO

pith:2013:CPVMNJQOHJQFKDSHOCDK55MX4S

not attested not anchored not stored refs pending

Digital ultrasonically encoded (DUE) optical focusing into random media

Jian Wei Tay, Lihong V. Wang, Puxiang Lai, Yuta Suzuki

arxiv:1309.3497 v1 · 2013-09-13 · 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{CPVMNJQOHJQFKDSHOCDK55MX4S}

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	2026-05-18T02:56:58.372277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13eac6a60e3a60550e477086aef597e4a455ef1b6a9a0df195a92972fd9555f4

Aliases

arxiv: 1309.3497 · arxiv_version: 1309.3497v1 · doi: 10.48550/arxiv.1309.3497 · pith_short_12: CPVMNJQOHJQF · pith_short_16: CPVMNJQOHJQFKDSH · pith_short_8: CPVMNJQO

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/CPVMNJQOHJQFKDSHOCDK55MX4S \
  | 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: 13eac6a60e3a60550e477086aef597e4a455ef1b6a9a0df195a92972fd9555f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4e7389f7d85caf088474f7b02a2fbc75b884da03ab81fa78823c831be7607a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-09-13T16:16:19Z",
    "title_canon_sha256": "76a6ae84675d9a32948addcaa2e0b41e7b4d4c20f5b57ed9228f05555ab44770"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3497",
    "kind": "arxiv",
    "version": 1
  }
}