Pith Number

pith:E23WLAEA

pith:2008:E23WLAEABG2DJKFKNLTNEAYR3J

not attested not anchored not stored refs pending

Waveguide-based single-pixel up-conversion infrared spectrometer

Carsten Langrock, M. M. Fejer, Qiang Zhang, Yoshihisa Yamamoto

arxiv:0810.4559 v1 · 2008-10-24 · physics.ins-det · 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{E23WLAEABG2DJKFKNLTNEAYR3J}

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	2026-07-04T17:13:19.926615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b765808009b434a8aa6ae6d20311da7acfd9206bf789e28ab93c7070eba247

Aliases

arxiv: 0810.4559 · arxiv_version: 0810.4559v1 · doi: 10.48550/arxiv.0810.4559 · pith_short_12: E23WLAEABG2D · pith_short_16: E23WLAEABG2DJKFK · pith_short_8: E23WLAEA

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/E23WLAEABG2DJKFKNLTNEAYR3J \
  | 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: 26b765808009b434a8aa6ae6d20311da7acfd9206bf789e28ab93c7070eba247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bf873e6d5230512fc338393026b8fb8f9b8219692545c2214c866c5d7fde8b3",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2008-10-24T21:57:00Z",
    "title_canon_sha256": "954c4476c9b4549e8e71c16652e2d0b073332003ddc40282918bd75a8dcfb5b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4559",
    "kind": "arxiv",
    "version": 1
  }
}