Pith Number

pith:N7G5EUGZ

pith:2008:N7G5EUGZZGBH76U7XQ6L7B2DVJ

not attested not anchored not stored refs pending

A Diffractive Study of Parametric Process in Nonlinear Photonic Crystals

G. J. You, H. C. Guo, S. H. Tang, W. M. Liu, Y. Q. Qin

arxiv:0801.1456 v1 · 2008-01-09 · 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{N7G5EUGZZGBH76U7XQ6L7B2DVJ}

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	2026-05-18T02:16:02.104640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fcdd250d9c9827ffa9fbc3cbf8743aa69c9625f60b8886751100660155862e9

Aliases

arxiv: 0801.1456 · arxiv_version: 0801.1456v1 · doi: 10.48550/arxiv.0801.1456 · pith_short_12: N7G5EUGZZGBH · pith_short_16: N7G5EUGZZGBH76U7 · pith_short_8: N7G5EUGZ

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/N7G5EUGZZGBH76U7XQ6L7B2DVJ \
  | 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: 6fcdd250d9c9827ffa9fbc3cbf8743aa69c9625f60b8886751100660155862e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b655a7772743a7e41f8fc652ded7c05f36f86dd3f378b873575de6ad8a1d8e9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-01-09T16:08:46Z",
    "title_canon_sha256": "1f8cfa96b9dc1609dab035eedd1ebc90792c2e9590077cb4681e536219469474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1456",
    "kind": "arxiv",
    "version": 1
  }
}