Pith Number

pith:7HLNYSH5

pith:2019:7HLNYSH536ZTPG3NN2ML7HGOQK

not attested not anchored not stored refs pending

Nonlinearity in the Dark: Broadband Terahertz Generation with Extremely High Efficiency

Costas M. Soukouli, Ming Fang, Nian-Hai Shen, Thomas Koschny, Wei E. I. Sha, Zhixiang Huang

arxiv:1901.06488 v1 · 2019-01-19 · physics.optics · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HLNYSH536ZTPG3NN2ML7HGOQK}

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	2026-05-17T23:55:50.111476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9d6dc48fddfb3379b6d6e98bf9cce8281dc1b2a3fafd97d5113e4813a03d1fa

Aliases

arxiv: 1901.06488 · arxiv_version: 1901.06488v1 · doi: 10.48550/arxiv.1901.06488 · pith_short_12: 7HLNYSH536ZT · pith_short_16: 7HLNYSH536ZTPG3N · pith_short_8: 7HLNYSH5

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/7HLNYSH536ZTPG3NN2ML7HGOQK \
  | 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: f9d6dc48fddfb3379b6d6e98bf9cce8281dc1b2a3fafd97d5113e4813a03d1fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1011e03348883cf31fad97905d1096fb7b65c7a72a6286d7e9ccb82e102ad21",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-01-19T09:33:38Z",
    "title_canon_sha256": "d498ab7ad0b30dba8f050bbe56d25e87dce8b84f31d556fef8414316f9396347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06488",
    "kind": "arxiv",
    "version": 1
  }
}