Pith Number

pith:TARXHKFQ

pith:2019:TARXHKFQW64SRTE7MO4DPBLGO7

not attested not anchored not stored refs pending

A versatile digital approach to laser frequency comb stabilization

Connor Fredrick, Jonah Shaw, Scott Diddams

arxiv:1908.09212 v1 · 2019-08-24 · physics.ins-det · 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{TARXHKFQW64SRTE7MO4DPBLGO7}

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	2026-07-04T23:59:37.753783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

982373a8b0b7b928cc9f63b837856677eb2074b7a1fe7811de6349f45562ee48

Aliases

arxiv: 1908.09212 · arxiv_version: 1908.09212v1 · doi: 10.48550/arxiv.1908.09212 · pith_short_12: TARXHKFQW64S · pith_short_16: TARXHKFQW64SRTE7 · pith_short_8: TARXHKFQ

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/TARXHKFQW64SRTE7MO4DPBLGO7 \
  | 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: 982373a8b0b7b928cc9f63b837856677eb2074b7a1fe7811de6349f45562ee48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3b9420aad7a15aaa57a5bb87f52377bacb8d33694a13d5d72b024942dee4948",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2019-08-24T21:12:56Z",
    "title_canon_sha256": "d47e681be7ffd20b221656f9d97e081cbcab59aeacf1bb9168ff41c30d84ee6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09212",
    "kind": "arxiv",
    "version": 1
  }
}