Pith Number

pith:UFKZI5PF

pith:2016:UFKZI5PFFTHO2IHQKYT7Y4R3ST

not attested not anchored not stored refs pending

Optical Frequency Comb Fourier Transform Spectroscopy with Sub-Nominal Resolution - Principles and Implementation

Aleksandra Foltynowicz, Alexandra C. Johansson, Amir Khodabakhsh, Lucile Rutkowski, Piotr Maslowski

arxiv:1612.04808 v2 · 2016-12-13 · 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{UFKZI5PFFTHO2IHQKYT7Y4R3ST}

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	2026-05-18T00:16:34.100491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1559475e52cceed20f05627fc723b94fa63edf42decee1bacad0132d31c7b18

Aliases

arxiv: 1612.04808 · arxiv_version: 1612.04808v2 · doi: 10.48550/arxiv.1612.04808 · pith_short_12: UFKZI5PFFTHO · pith_short_16: UFKZI5PFFTHO2IHQ · pith_short_8: UFKZI5PF

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/UFKZI5PFFTHO2IHQKYT7Y4R3ST \
  | 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: a1559475e52cceed20f05627fc723b94fa63edf42decee1bacad0132d31c7b18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1c4a2d811253eec64ed7788e33b0a4de4e256522c6accfa1d54cd1a7288dd53",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2016-12-13T15:22:10Z",
    "title_canon_sha256": "1f1363b12615ddf98f7d447110b31c3660d1e0136f621e4da07b7c8791536a07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04808",
    "kind": "arxiv",
    "version": 2
  }
}