Pith Number

pith:VHFYYYAS

pith:2014:VHFYYYASKWFUDFQ4UQ4GXB25DB

not attested not anchored not stored refs pending

Ultra-pure RF tone from a micro-ring resonator based optical frequency comb source

Alessia Pasquazi, Brent E. Little, David J. Moss, Marco Peccianti, Roberto Morandotti, Sai T. Chu

arxiv:1405.1101 v2 · 2014-05-05 · 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{VHFYYYASKWFUDFQ4UQ4GXB25DB}

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	2026-05-18T02:52:05.782545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9cb8c6012558b41961ca4386b875d1875ef21e6c6057bcd563dc9cd05a9c98d

Aliases

arxiv: 1405.1101 · arxiv_version: 1405.1101v2 · doi: 10.48550/arxiv.1405.1101 · pith_short_12: VHFYYYASKWFU · pith_short_16: VHFYYYASKWFUDFQ4 · pith_short_8: VHFYYYAS

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/VHFYYYASKWFUDFQ4UQ4GXB25DB \
  | 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: a9cb8c6012558b41961ca4386b875d1875ef21e6c6057bcd563dc9cd05a9c98d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "220eee6e6940cedac6e8cf3906d218e149f81a21028b6be4abf13bac311752ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-05-05T23:08:07Z",
    "title_canon_sha256": "611581537e964b7cad29551099ee0442f34e8a49243e2a68b038fa0fd3fe43ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1101",
    "kind": "arxiv",
    "version": 2
  }
}