Pith Number

pith:GAE7ICWL

pith:2018:GAE7ICWLSUAMPCXDOC4R2NRR2J

not attested not anchored not stored refs pending

Optical frequency comb Faraday rotation spectroscopy

Aleksandra Foltynowicz, Alexandra C. Johansson, Gerard Wysocki, Jonas Westberg

arxiv:1801.08399 v1 · 2018-01-25 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAE7ICWLSUAMPCXDOC4R2NRR2J}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:16:26.821649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3009f40acb9500c78ae370b91d3631d27a9daf21770f935c9eb829ef63044f94

Aliases

arxiv: 1801.08399 · arxiv_version: 1801.08399v1 · doi: 10.48550/arxiv.1801.08399 · pith_short_12: GAE7ICWLSUAM · pith_short_16: GAE7ICWLSUAMPCXD · pith_short_8: GAE7ICWL

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/GAE7ICWLSUAMPCXDOC4R2NRR2J \
  | 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: 3009f40acb9500c78ae370b91d3631d27a9daf21770f935c9eb829ef63044f94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d4dd3f97857030726d7dbaac3617045932749d549719c5ea93f46b7511c6b18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-01-25T13:50:34Z",
    "title_canon_sha256": "15ab87b676d763568182013f7f036eb1881d47cd71df2c1896cbdb25e6de09e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08399",
    "kind": "arxiv",
    "version": 1
  }
}