Pith Number

pith:W34YCU6M

pith:2018:W34YCU6M3FC4WVJPSFR3S65EF3

not attested not anchored not stored refs pending

Latent Space Purification via Neural Density Operators

Giacomo Torlai, Roger G. Melko

arxiv:1801.09684 v2 · 2018-01-29 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W34YCU6M3FC4WVJPSFR3S65EF3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:13:04.709554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6f98153ccd945cb552f9163b97ba42ee1d0a02697b2c05151211e89bd977b6a

Aliases

arxiv: 1801.09684 · arxiv_version: 1801.09684v2 · doi: 10.48550/arxiv.1801.09684 · pith_short_12: W34YCU6M3FC4 · pith_short_16: W34YCU6M3FC4WVJP · pith_short_8: W34YCU6M

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/W34YCU6M3FC4WVJPSFR3S65EF3 \
  | 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: b6f98153ccd945cb552f9163b97ba42ee1d0a02697b2c05151211e89bd977b6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dab00beb7da5288b1b094e886a6c278040f208226cf41462556c103c3fcc1469",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-01-29T19:00:01Z",
    "title_canon_sha256": "64fa963aa3871fab58187287e95e27e130866b030112e25e2d870bb74db25b7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09684",
    "kind": "arxiv",
    "version": 2
  }
}