Pith Number

pith:ZK5IMMKM

pith:2026:ZK5IMMKMSGBWP2Y4DXZCPC2WX2

not attested not anchored not stored refs pending

One Terahertz Full-Field Digital Back-Propagation over 3000 km

Carlo Centofanti, Colja Schubert, Cristian Antonelli, Daniele Orsuti, Darli A. A. Melo, Eric Sillekens, Giammarco Di Sciullo, Hideaki Furukawa, Luca Palmieri, Mindaugas Jarmolovi\v{c}ius, Polina Bayvel, Robert Emmerich, Robert I. Killey, Robson A. Colares, Ronald Freund, Ronit Sohanpal, Ruben S. Luis

arxiv:2606.25571 v1 · 2026-06-24 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZK5IMMKMSGBWP2Y4DXZCPC2WX2}

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	2026-06-25T01:18:09.138270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caba86314c918367eb1c1df2278b56bea43a67142b9b95016eb3825e62d75b2b

Aliases

arxiv: 2606.25571 · arxiv_version: 2606.25571v1 · doi: 10.48550/arxiv.2606.25571 · pith_short_12: ZK5IMMKMSGBW · pith_short_16: ZK5IMMKMSGBWP2Y4 · pith_short_8: ZK5IMMKM

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/ZK5IMMKMSGBWP2Y4DXZCPC2WX2 \
  | 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: caba86314c918367eb1c1df2278b56bea43a67142b9b95016eb3825e62d75b2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2ab0d0732a70d9663ebd7cff3fbcbc34e51e8dcb9417fa1a99afb2e9a21ece9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-06-24T08:45:25Z",
    "title_canon_sha256": "828c95a8c0a15757d66f39b97069c4aa6bbd50c966a479cd467f54dca9d4a45b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25571",
    "kind": "arxiv",
    "version": 1
  }
}