Pith Number

pith:N5IWSZMQ

pith:2026:N5IWSZMQJJ2V7CQVKDTWRKWA35

not attested not anchored not stored refs pending

Tomography of quantum states with bounded extent

Arkopal Dutt, Srinivasan Arunachalam

arxiv:2606.07425 v1 · 2026-06-05 · quant-ph · cs.CC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5IWSZMQJJ2V7CQVKDTWRKWA35}

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	2026-06-08T01:05:26.402391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f516965904a755f8a1550e768aac0df65cb7b39f3312de91d13441bfa5c78a9

Aliases

arxiv: 2606.07425 · arxiv_version: 2606.07425v1 · doi: 10.48550/arxiv.2606.07425 · pith_short_12: N5IWSZMQJJ2V · pith_short_16: N5IWSZMQJJ2V7CQV · pith_short_8: N5IWSZMQ

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/N5IWSZMQJJ2V7CQVKDTWRKWA35 \
  | 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: 6f516965904a755f8a1550e768aac0df65cb7b39f3312de91d13441bfa5c78a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40d6941aa707c34536e5bb3c1e4e63998e01d5a76df303874c1815b0cf826a5b",
    "cross_cats_sorted": [
      "cs.CC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-05T16:19:59Z",
    "title_canon_sha256": "6fcf9692db1f602f2e4a4d10bad12024fd843a2eb8f890a7bb7bbff59ed79bff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07425",
    "kind": "arxiv",
    "version": 1
  }
}