Pith Number

pith:HUH7RZTV

pith:2020:HUH7RZTV4A55WHKHCVANDLSXBO

not attested not anchored not stored refs pending

Estimating expectation values using approximate quantum states

Amir Kalev, Brendan Ruck, Dan Padilha, Marco Paini

arxiv:2011.04754 v3 · 2020-11-09 · quant-ph · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUH7RZTV4A55WHKHCVANDLSXBO}

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.

Cited by

1 paper in Pith

Experimental detection of microscopic environments using thermodynamic observables

Receipt and verification

First computed	2026-07-05T02:23:48.913729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d0ff8e675e03bdb1d471540d1ae570baaeb87cc158aa439d8ee3fb15b6a9b09

Aliases

arxiv: 2011.04754 · arxiv_version: 2011.04754v3 · doi: 10.48550/arxiv.2011.04754 · pith_short_12: HUH7RZTV4A55 · pith_short_16: HUH7RZTV4A55WHKH · pith_short_8: HUH7RZTV

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/HUH7RZTV4A55WHKHCVANDLSXBO \
  | 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: 3d0ff8e675e03bdb1d471540d1ae570baaeb87cc158aa439d8ee3fb15b6a9b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17d0f854896dc4d303f993af80d43043073cfcd0994261b2c87688d181666af3",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-11-09T20:57:56Z",
    "title_canon_sha256": "197720eda37e48dc6f78af34b0f02225634438da35fc0b2d46d9dff1848d9ea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.04754",
    "kind": "arxiv",
    "version": 3
  }
}