Pith Number

pith:UYGQ23G7

pith:2015:UYGQ23G744L57LLUQNPXISF2TO

not attested not anchored not stored refs pending

Sub-Nyquist Field Trial Using Time Frequency Packed DP-QPSK Super-Channel Within Fixed ITU-T Grid

A. Leong, A. Petronio, C. Pfander, F. Cavaliere, F. Fresi, G. Berrettini, G. Meloni, L. Giorgi, L. Pot\`i, M. Secondini, P. Nibbs, R. Forgan, R. Masciulli, S. Hackett, T. Foggi

arxiv:1502.03285 v1 · 2015-02-11 · 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{UYGQ23G744L57LLUQNPXISF2TO}

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	2026-05-18T01:30:15.324437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a60d0d6cdfe717dfad74835f7448ba9b95d1bb935d5f0be8f279ac6f2c1fca4e

Aliases

arxiv: 1502.03285 · arxiv_version: 1502.03285v1 · doi: 10.48550/arxiv.1502.03285 · pith_short_12: UYGQ23G744L5 · pith_short_16: UYGQ23G744L57LLU · pith_short_8: UYGQ23G7

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/UYGQ23G744L57LLUQNPXISF2TO \
  | 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: a60d0d6cdfe717dfad74835f7448ba9b95d1bb935d5f0be8f279ac6f2c1fca4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff2afaa14c86f825404847f283a5cc4faae3d5a7882ae34fa17cee7edf0db79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-02-11T12:49:52Z",
    "title_canon_sha256": "38bba1d7f883591246560488e9b957e5f9484c1b6a42163332ff05ab09245c51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03285",
    "kind": "arxiv",
    "version": 1
  }
}