Pith Number

pith:NY3GUMWQ

pith:2026:NY3GUMWQJFYZ7GQZK3MCU3AXWC

not attested not anchored not stored refs pending

Quantum Purity Amplification for Arbitrary Eigenstates and Multiple Outputs

Aram W. Harrow, Elias Theil, Isaac Chuang, Zhaoyi Li

arxiv:2605.21570 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{NY3GUMWQJFYZ7GQZK3MCU3AXWC}

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	2026-05-22T01:03:22.983506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e366a32d049719f9a1956d82a6c17b091a3a56b30f1a39205622ebed16f1a43

Aliases

arxiv: 2605.21570 · arxiv_version: 2605.21570v1 · doi: 10.48550/arxiv.2605.21570 · pith_short_12: NY3GUMWQJFYZ · pith_short_16: NY3GUMWQJFYZ7GQZ · pith_short_8: NY3GUMWQ

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/NY3GUMWQJFYZ7GQZK3MCU3AXWC \
  | 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: 6e366a32d049719f9a1956d82a6c17b091a3a56b30f1a39205622ebed16f1a43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead401153574b32e3a384067a8a0bccfceef307e65c9e49afaab5d31637913f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-20T17:47:32Z",
    "title_canon_sha256": "28ec9a83e5505e7fefc375d64343d353db2138a53abe1f1edc6d0ef9f109531d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21570",
    "kind": "arxiv",
    "version": 1
  }
}