Pith Number

pith:KZY6MXYM

pith:2026:KZY6MXYM42WWE2MXMBD5FIVVPK

not attested not anchored not stored refs pending

Combining non-parametric quantum states and MERA tensor networks for ground-state optimization

Alberto Baiardi, Francesco Tacchino, Ivano Tavernelli, Julian Schuhmacher

arxiv:2605.21447 v1 · 2026-05-20 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZY6MXYM42WWE2MXMBD5FIVVPK}

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	2026-05-21T02:05:37.561364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5671e65f0ce6ad6269976047d2a2b57a89e6bd7375cf1f839ec2080eca64fe03

Aliases

arxiv: 2605.21447 · arxiv_version: 2605.21447v1 · doi: 10.48550/arxiv.2605.21447 · pith_short_12: KZY6MXYM42WW · pith_short_16: KZY6MXYM42WWE2MX · pith_short_8: KZY6MXYM

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/KZY6MXYM42WWE2MXMBD5FIVVPK \
  | 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: 5671e65f0ce6ad6269976047d2a2b57a89e6bd7375cf1f839ec2080eca64fe03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a89cf2f61a31c980b8958e0ff66987360fc74f5faa082277166525faeaa1a07e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-20T17:35:43Z",
    "title_canon_sha256": "c7b4e9a224090ba176d41601204c88119afc77842fe647ab28553d8f0c96019e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21447",
    "kind": "arxiv",
    "version": 1
  }
}