Pith Number

pith:IACAFIEB

pith:2011:IACAFIEBUVOMJN74BM7KSHYZDR

not attested not anchored not stored refs pending

Demonstration of UV-written waveguides, Bragg gratings and cavities at 780 nm, and an original experimental measurement of group delay

Ed A. Hinds, Guillaume Lepert, Helen Rogers, James C. Gates, Michael Trupke, Peter G. R. Smith

arxiv:1109.5493 v1 · 2011-09-26 · 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{IACAFIEBUVOMJN74BM7KSHYZDR}

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	2026-05-18T04:07:42.892850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

400402a081a55cc4b7fc0b3ea91f191c57630acbce350c539433d79cb5518268

Aliases

arxiv: 1109.5493 · arxiv_version: 1109.5493v1 · doi: 10.48550/arxiv.1109.5493 · pith_short_12: IACAFIEBUVOM · pith_short_16: IACAFIEBUVOMJN74 · pith_short_8: IACAFIEB

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/IACAFIEBUVOMJN74BM7KSHYZDR \
  | 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: 400402a081a55cc4b7fc0b3ea91f191c57630acbce350c539433d79cb5518268

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc3043f75e6a2f49dd315af500b53a17ad0ddf3521a44b19189d3e60f91a2069",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-09-26T09:01:46Z",
    "title_canon_sha256": "f13dfba82aa67299cc95b96cbf183739e363ff3f2cd3b105c8ca53e5d54fc2fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5493",
    "kind": "arxiv",
    "version": 1
  }
}