Pith Number

pith:ZCL4ZJPY

pith:2009:ZCL4ZJPY4NHLZ42SURPHIGGFE7

not attested not anchored not stored refs pending

The light-well: A tuneable free-electron light source on a chip

C-M. Wang, D. P. Tsai, F. J. Garcia de Abajo, G. Adamo, K. F. MacDonald, N. I. Zheludev, Y. H. Fu

arxiv:0907.2143 v1 · 2009-07-13 · cond-mat.mes-hall · 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{ZCL4ZJPY4NHLZ42SURPHIGGFE7}

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	2026-05-18T04:41:35.038184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c897cca5f8e34ebcf352a45e7418c527ebede56e7f2d72bf9bc929cd1572ac17

Aliases

arxiv: 0907.2143 · arxiv_version: 0907.2143v1 · doi: 10.48550/arxiv.0907.2143 · pith_short_12: ZCL4ZJPY4NHL · pith_short_16: ZCL4ZJPY4NHLZ42S · pith_short_8: ZCL4ZJPY

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/ZCL4ZJPY4NHLZ42SURPHIGGFE7 \
  | 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: c897cca5f8e34ebcf352a45e7418c527ebede56e7f2d72bf9bc929cd1572ac17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd18cc3674441dc5fa89b54970f4456f72b2c5bbd2d96da3d685d9011b28032e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-07-13T12:27:26Z",
    "title_canon_sha256": "f93533bc6e0739cf8f1cdee9685f7a83cd46a0048b23aca2edc83911c7957e38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2143",
    "kind": "arxiv",
    "version": 1
  }
}