Pith Number

pith:3QNOWKKQ

pith:2012:3QNOWKKQFY4HHWCBCW2O3S76SE

not attested not anchored not stored refs pending

Asymmetrically filled slits in a metal film that split a light beam into two depending on its wavelength

Danhong Huang, L. David Wellems

arxiv:1212.4876 v1 · 2012-12-19 · 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{3QNOWKKQFY4HHWCBCW2O3S76SE}

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	2026-05-18T01:52:30.109612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1aeb29502e3873d84115b4edcbfe911f6019fbef956c243d59d75f1b10a0c5

Aliases

arxiv: 1212.4876 · arxiv_version: 1212.4876v1 · doi: 10.48550/arxiv.1212.4876 · pith_short_12: 3QNOWKKQFY4H · pith_short_16: 3QNOWKKQFY4HHWCB · pith_short_8: 3QNOWKKQ

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/3QNOWKKQFY4HHWCBCW2O3S76SE \
  | 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: dc1aeb29502e3873d84115b4edcbfe911f6019fbef956c243d59d75f1b10a0c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acd5afd3d06e034e15619a21069beb3520303cb653ea274939b7ce44057e56af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-12-19T23:21:06Z",
    "title_canon_sha256": "c88948f04257d4072019c2cc6eec32cd48e9c01daa4e4ca81a0619521e042ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4876",
    "kind": "arxiv",
    "version": 1
  }
}