Pith Number

pith:GMHH7HUV

pith:2017:GMHH7HUVPCYRWHF4UMAAPVDMQK

not attested not anchored not stored refs pending

Compact Broadband Low-Loss Taper for Coupling to a Silicon Nitride Photonic Wire

Anubhab Haldar, Purnima Sethi, Rakshitha Kallege, Shankar Kumar Selvaraja

arxiv:1711.09831 v1 · 2017-11-27 · physics.app-ph · 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{GMHH7HUVPCYRWHF4UMAAPVDMQK}

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	2026-05-18T00:09:19.195491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

330e7f9e9578b11b1cbca30007d46c828ee9098fab1e22353268b2c0fa751b82

Aliases

arxiv: 1711.09831 · arxiv_version: 1711.09831v1 · doi: 10.48550/arxiv.1711.09831 · pith_short_12: GMHH7HUVPCYR · pith_short_16: GMHH7HUVPCYRWHF4 · pith_short_8: GMHH7HUV

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/GMHH7HUVPCYRWHF4UMAAPVDMQK \
  | 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: 330e7f9e9578b11b1cbca30007d46c828ee9098fab1e22353268b2c0fa751b82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "630709770f76580fd2fb459b9ca7d690f28f9f7ba4185f6c37f14d4cfc817965",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-11-27T17:03:54Z",
    "title_canon_sha256": "8e023df1a3a2b46365f70efff224c5043f092d7da96c37f2a4118a332d9bce40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09831",
    "kind": "arxiv",
    "version": 1
  }
}