Pith Number

pith:GADEFE2H

pith:2021:GADEFE2HZXKPAXX6CIREZ43DSX

not attested not anchored not stored refs pending

Experimental quantum memristor

Andrea Crespi, Francesco Ceccarelli, Francesco Massa, Joshua Morris, Michael Antesberger, Michele Spagnolo, Philip Walther, Roberto Osellame, Simone Piacentini

arxiv:2105.04867 v2 · 2021-05-11 · 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{GADEFE2HZXKPAXX6CIREZ43DSX}

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	2026-07-05T04:09:56.511835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3006429347cdd4f05efe12224cf36395f018c523e5d96291b43eabed96207dc6

Aliases

arxiv: 2105.04867 · arxiv_version: 2105.04867v2 · doi: 10.48550/arxiv.2105.04867 · pith_short_12: GADEFE2HZXKP · pith_short_16: GADEFE2HZXKPAXX6 · pith_short_8: GADEFE2H

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/GADEFE2HZXKPAXX6CIREZ43DSX \
  | 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: 3006429347cdd4f05efe12224cf36395f018c523e5d96291b43eabed96207dc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b994e36281f5667a092c508636ed1cff284e75bbb1f5b0253d83025eb0b42528",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-05-11T08:42:14Z",
    "title_canon_sha256": "056bbb30b48f9929b87e0a7fc4d0dde2169371b561be1bba69ae7f413a06f663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04867",
    "kind": "arxiv",
    "version": 2
  }
}