Pith Number

pith:WKA5BJP4

pith:2018:WKA5BJP4CMRTPJCBVOPUOHNVLI

not attested not anchored not stored refs pending

Ultrafast Chemical Imaging by Widefield Photothermal Sensing of Infrared Absorption

Ali Shakouri, Delong Zhang, Ji-Xin Cheng, Kerry Maize, Lu Lan, Yeran Bai, Yimin Huang

arxiv:1811.07405 v1 · 2018-11-18 · physics.optics · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKA5BJP4CMRTPJCBVOPUOHNVLI}

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	2026-05-18T00:00:24.615884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b281d0a5fc132337a441ab9f471db55a2007845c0e37ec1fe3758f1c6d929801

Aliases

arxiv: 1811.07405 · arxiv_version: 1811.07405v1 · doi: 10.48550/arxiv.1811.07405 · pith_short_12: WKA5BJP4CMRT · pith_short_16: WKA5BJP4CMRTPJCB · pith_short_8: WKA5BJP4

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/WKA5BJP4CMRTPJCBVOPUOHNVLI \
  | 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: b281d0a5fc132337a441ab9f471db55a2007845c0e37ec1fe3758f1c6d929801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65071564b7eda973dad0544f3bad52aa80bf8900c965d2c7c7c3216a84dfe389",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-11-18T21:20:14Z",
    "title_canon_sha256": "13df583cbf033fb1769f193b4c0796cb44e2a99b046cdd2dd9d62b22a2146204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07405",
    "kind": "arxiv",
    "version": 1
  }
}