Pith Number

pith:IVEXXH7X

pith:2022:IVEXXH7XDFI4ZIZ4TMHJMPYAYG

not attested not anchored not stored refs pending

(3+1)D-printed adiabatic 1-to-N broadband couplers

Adri\`a Grabulosa, Daniel Brunner, Erik Jung, Johnny Moughames, Muamer Kadic, Xavier Porte

arxiv:2208.09767 v1 · 2022-08-21 · 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{IVEXXH7XDFI4ZIZ4TMHJMPYAYG}

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	2026-07-05T04:50:21.866418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45497b9ff71951cca33c9b0e963f00c1bff61fba7729ff2e748619eeabd1efaa

Aliases

arxiv: 2208.09767 · arxiv_version: 2208.09767v1 · doi: 10.48550/arxiv.2208.09767 · pith_short_12: IVEXXH7XDFI4 · pith_short_16: IVEXXH7XDFI4ZIZ4 · pith_short_8: IVEXXH7X

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/IVEXXH7XDFI4ZIZ4TMHJMPYAYG \
  | 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: 45497b9ff71951cca33c9b0e963f00c1bff61fba7729ff2e748619eeabd1efaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0839985876181736be51d4e40bad5e47c8d2661a4c5ec3276eb678bedbef791",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-08-21T00:22:20Z",
    "title_canon_sha256": "0628cb8dfdd43146e9539e5c5f2c7f0d8c50e287056d541e48ba8ad7c8aaa8fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.09767",
    "kind": "arxiv",
    "version": 1
  }
}