Pith Number

pith:U5LYP2VZ

pith:2017:U5LYP2VZZCG2ZA745AXYZJTEB4

not attested not anchored not stored refs pending

Enhanced acousto-optic properties in layered media

C. G. Poulton, C. Martijn de Sterke, C. Wolff, M. J. A. Smith, M. Lapine

arxiv:1702.01581 v2 · 2017-02-06 · 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{U5LYP2VZZCG2ZA745AXYZJTEB4}

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	2026-05-18T00:36:32.624985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75787eab9c88dac83fce82f8ca6640f38ddc3ebe9795eb09416b1a289e54077

Aliases

arxiv: 1702.01581 · arxiv_version: 1702.01581v2 · doi: 10.48550/arxiv.1702.01581 · pith_short_12: U5LYP2VZZCG2 · pith_short_16: U5LYP2VZZCG2ZA74 · pith_short_8: U5LYP2VZ

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/U5LYP2VZZCG2ZA745AXYZJTEB4 \
  | 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: a75787eab9c88dac83fce82f8ca6640f38ddc3ebe9795eb09416b1a289e54077

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb06b0dda79c5afaa8e9c191e05b5eab998ee8334a2d1939fef463995a1efe1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-02-06T11:55:07Z",
    "title_canon_sha256": "995862ebce5c528f31201965f891024785bb33c063e06f8ee926e1b90ceb3da9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01581",
    "kind": "arxiv",
    "version": 2
  }
}