Pith Number

pith:VDZUQLN7

pith:2020:VDZUQLN7JKQUINX7TODLLRGT3Q

not attested not anchored not stored refs pending

Low-loss, high-bandwidth fiber-to-chip coupling using capped adiabatic tapered fibers

Jeff Chiles, Jeffrey M. Shainline, Richard P. Mirin, Saeed Khan, Sae Woo Nam, Sonia M. Buckley

arxiv:2002.00729 v1 · 2020-01-21 · 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{VDZUQLN7JKQUINX7TODLLRGT3Q}

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	2026-07-05T00:37:56.894435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f3482dbf4aa14436ff9b86b5c4d3dc1d6d483ef5517f7801b6fbe606d7663e

Aliases

arxiv: 2002.00729 · arxiv_version: 2002.00729v1 · doi: 10.48550/arxiv.2002.00729 · pith_short_12: VDZUQLN7JKQU · pith_short_16: VDZUQLN7JKQUINX7 · pith_short_8: VDZUQLN7

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/VDZUQLN7JKQUINX7TODLLRGT3Q \
  | 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: a8f3482dbf4aa14436ff9b86b5c4d3dc1d6d483ef5517f7801b6fbe606d7663e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7d83c0e7535a30c6da5119085bfbe9a837c583fd398f28a09df1ebfe224b9ed",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-01-21T21:11:34Z",
    "title_canon_sha256": "bb875ddf7af18a09dc8915494e2511cc7e072aa8546997c6e4c2020a6d5a1e9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00729",
    "kind": "arxiv",
    "version": 1
  }
}