Pith Number

pith:T7OBF5XR

pith:2013:T7OBF5XR7UFXCHQPA5XVK2MOPH

not attested not anchored not stored refs pending

Resonant THz sensor for paper quality monitoring using THz fiber Bragg gratings

Andrey Markov, Guofeng Yan, Maksim Skorobogatiy, Saurabh M. Tripathi, Wojtek J. Bock, Yasser Chinifooroshan

arxiv:1304.4442 v2 · 2013-04-16 · 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{T7OBF5XR7UFXCHQPA5XVK2MOPH}

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	2026-05-18T01:17:21.052475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fdc12f6f1fd0b711e0f076f55698e79c5fb24ed4cec1060a9f0d73fa8c24fd5

Aliases

arxiv: 1304.4442 · arxiv_version: 1304.4442v2 · doi: 10.48550/arxiv.1304.4442 · pith_short_12: T7OBF5XR7UFX · pith_short_16: T7OBF5XR7UFXCHQP · pith_short_8: T7OBF5XR

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/T7OBF5XR7UFXCHQPA5XVK2MOPH \
  | 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: 9fdc12f6f1fd0b711e0f076f55698e79c5fb24ed4cec1060a9f0d73fa8c24fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f46ff01e2526889c483d9a54e69d681e6b6f239429434322f044e0e669f368cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-04-16T13:40:33Z",
    "title_canon_sha256": "1b0ec178d7beda5154c428c64894cdfc90b574b27d29f3378a4689de5bb13168"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4442",
    "kind": "arxiv",
    "version": 2
  }
}