Pith Number

pith:BXTAJNP2

pith:2013:BXTAJNP25BJZVSUDFLDTTJZMLQ

not attested not anchored not stored refs pending

Broadband directional coupling in aluminum nitride nanophotonic circuits

Matthias Stegmaier, Wolfram H.P. Pernice

arxiv:1303.4991 v1 · 2013-03-20 · 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{BXTAJNP25BJZVSUDFLDTTJZMLQ}

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	2026-05-18T01:51:00.303096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0de604b5fae8539aca832ac739a72c5c2b6f1f622f15339feebf036525983097

Aliases

arxiv: 1303.4991 · arxiv_version: 1303.4991v1 · doi: 10.48550/arxiv.1303.4991 · pith_short_12: BXTAJNP25BJZ · pith_short_16: BXTAJNP25BJZVSUD · pith_short_8: BXTAJNP2

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/BXTAJNP25BJZVSUDFLDTTJZMLQ \
  | 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: 0de604b5fae8539aca832ac739a72c5c2b6f1f622f15339feebf036525983097

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81d0f0e25c012a16155ca9e8395bcf1ac27d821c7c05af88082bccfacf74a70f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-03-20T16:50:02Z",
    "title_canon_sha256": "e076ebadefafbc72683962b13c50825adeb52ea02e2ae5d4d304df462610ec32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4991",
    "kind": "arxiv",
    "version": 1
  }
}