Pith Number

pith:L4U2XGME

pith:2022:L4U2XGMEK7T7XAAHEEL6S24TU2

not attested not anchored not stored refs pending

Commitments to Quantum States

Fermi Ma, Mark Zhandry, Nathan Ju, Sam Gunn

arxiv:2210.05138 v2 · 2022-10-11 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4U2XGMEK7T7XAAHEEL6S24TU2}

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	2026-07-05T05:13:19.740261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f29ab998457e7fb80072117e96b93a69a84a7dc362190c39aa72c0a074ba5a8

Aliases

arxiv: 2210.05138 · arxiv_version: 2210.05138v2 · doi: 10.48550/arxiv.2210.05138 · pith_short_12: L4U2XGMEK7T7 · pith_short_16: L4U2XGMEK7T7XAAH · pith_short_8: L4U2XGME

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/L4U2XGMEK7T7XAAHEEL6S24TU2 \
  | 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: 5f29ab998457e7fb80072117e96b93a69a84a7dc362190c39aa72c0a074ba5a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0af9caf9456016fa09a0f399fd63f5ac2a4daad2c96ba71b5a18ed2d95814a0b",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-10-11T04:34:36Z",
    "title_canon_sha256": "1f19f5134d4aac414dbc36d44c6a809a92f2b7a0139d6f516aa219b7261d438b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.05138",
    "kind": "arxiv",
    "version": 2
  }
}