Pith Number

pith:XPMXIHQZ

pith:2019:XPMXIHQZT4NYBLLD63OEXIV5MS

not attested not anchored not stored refs pending

When will we have a quantum computer?

M.I. Dyakonov

arxiv:1903.10760 v1 · 2019-03-26 · 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{XPMXIHQZT4NYBLLD63OEXIV5MS}

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	2026-05-17T23:50:17.822598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbd9741e199f1b80ad63f6dc4ba2bd6489402f5782865575b880396f4fb1d188

Aliases

arxiv: 1903.10760 · arxiv_version: 1903.10760v1 · doi: 10.48550/arxiv.1903.10760 · pith_short_12: XPMXIHQZT4NY · pith_short_16: XPMXIHQZT4NYBLLD · pith_short_8: XPMXIHQZ

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/XPMXIHQZT4NYBLLD63OEXIV5MS \
  | 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: bbd9741e199f1b80ad63f6dc4ba2bd6489402f5782865575b880396f4fb1d188

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95ca2a3454d374e4cfc00c5ef97d95a1e3bce7bf7b71488770c21fe596ff35c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-26T09:45:45Z",
    "title_canon_sha256": "ec67fce23c8df07aeaf1c372530a4f2a49f8249a955689adf0503d9ffc074a77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10760",
    "kind": "arxiv",
    "version": 1
  }
}