Pith Number

pith:VHUQIKNR

pith:2020:VHUQIKNRO6N66KWZT5557QAYGQ

not attested not anchored not stored refs pending

Highly-Chirped Bragg Gratings for Integrated Silica Spectrometers

Corin B.E. Gawith, Devin H. Smith, James C. Gates, James W. Field, Peter G.R. Smith, Rex H.S. Bannerman, Sam A. Berry

arxiv:2001.09163 v2 · 2020-01-24 · physics.optics · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHUQIKNRO6N66KWZT5557QAYGQ}

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	2026-07-05T01:30:50.088555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9e90429b1779bef2ad99f7bdfc018343bb2c8eba84c93178baf7be051391aaf

Aliases

arxiv: 2001.09163 · arxiv_version: 2001.09163v2 · doi: 10.48550/arxiv.2001.09163 · pith_short_12: VHUQIKNRO6N6 · pith_short_16: VHUQIKNRO6N66KWZ · pith_short_8: VHUQIKNR

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/VHUQIKNRO6N66KWZT5557QAYGQ \
  | 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: a9e90429b1779bef2ad99f7bdfc018343bb2c8eba84c93178baf7be051391aaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78c0908cda66a4f55a4cd8b430f7b02818b90e77175650716c0fc009bc0c83cb",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-01-24T19:02:20Z",
    "title_canon_sha256": "6a88daba877cf3b9bd43d793a8f6afdc660db1f4f476e88465eb5302d7ec7195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09163",
    "kind": "arxiv",
    "version": 2
  }
}