Pith Number

pith:QPQVNHJ2

pith:2020:QPQVNHJ2ZAMYVZ6L56FA2IIBCZ

not attested not anchored not stored refs pending

Forecasting timelines of quantum computing

C. Jess Riedel, Jaime Sevilla

arxiv:2009.05045 v2 · 2020-09-10 · quant-ph · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPQVNHJ2ZAMYVZ6L56FA2IIBCZ}

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

Introducing the Quantum Economic Advantage Online Calculator

Receipt and verification

First computed	2026-07-05T01:58:11.577658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e1569d3ac8198ae7cbef8a0d2101166909a7e9b15487b1fad66cc98ad8652d

Aliases

arxiv: 2009.05045 · arxiv_version: 2009.05045v2 · doi: 10.48550/arxiv.2009.05045 · pith_short_12: QPQVNHJ2ZAMY · pith_short_16: QPQVNHJ2ZAMYVZ6L · pith_short_8: QPQVNHJ2

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/QPQVNHJ2ZAMYVZ6L56FA2IIBCZ \
  | 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: 83e1569d3ac8198ae7cbef8a0d2101166909a7e9b15487b1fad66cc98ad8652d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "998d75974e9ec349b97d6c5c5962edb478d68ac494b458dabbc1209bc45d4e2c",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-10T12:56:45Z",
    "title_canon_sha256": "be9dc9f210ab9e550cfeb7341f53289788ab8a13e767951c1a43d843d14906d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05045",
    "kind": "arxiv",
    "version": 2
  }
}