Pith Number

pith:USBEMQR3

pith:2017:USBEMQR37LUPVVD6WX23JYTO3N

not attested not anchored not stored refs pending

Ultra-compact low-loss broadband waveguide taper in silicon-on-insulator

Anubhab Haldar, Purnima Sethi, Shankar Selvaraja

arxiv:1705.01698 v1 · 2017-05-04 · physics.optics · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USBEMQR37LUPVVD6WX23JYTO3N}

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	2026-05-18T00:29:39.092517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a48246423bfae8fad47eb5f5b4e26edb48fbe1353ef609c8058ebc2d66f4abb4

Aliases

arxiv: 1705.01698 · arxiv_version: 1705.01698v1 · doi: 10.48550/arxiv.1705.01698 · pith_short_12: USBEMQR37LUP · pith_short_16: USBEMQR37LUPVVD6 · pith_short_8: USBEMQR3

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/USBEMQR37LUPVVD6WX23JYTO3N \
  | 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: a48246423bfae8fad47eb5f5b4e26edb48fbe1353ef609c8058ebc2d66f4abb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e29d26575d1cf79745b3e9fbe3de8e2211f436dcdff87bdca9cf33a9642bbe96",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-05-04T04:27:16Z",
    "title_canon_sha256": "73d1da6931cfaf42acbad38789b88d05c6c463b012f784d8a266b90d3d97e350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01698",
    "kind": "arxiv",
    "version": 1
  }
}