Pith Number

pith:FHMWANXR

pith:2017:FHMWANXRJPV6ZF43QDLHIB4D4D

not attested not anchored not stored refs pending

In situ upgrade of quantum simulators to universal computers

Alexander Pitchford, Benjamin Dive, Daniel Burgarth, Florian Mintert

arxiv:1701.01723 v4 · 2017-01-06 · 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{FHMWANXRJPV6ZF43QDLHIB4D4D}

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	2026-05-18T00:08:36.651111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29d96036f14bebec979b80d6740783e0c3be69173f6b33a5055f51b41e6b691e

Aliases

arxiv: 1701.01723 · arxiv_version: 1701.01723v4 · doi: 10.48550/arxiv.1701.01723 · pith_short_12: FHMWANXRJPV6 · pith_short_16: FHMWANXRJPV6ZF43 · pith_short_8: FHMWANXR

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/FHMWANXRJPV6ZF43QDLHIB4D4D \
  | 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: 29d96036f14bebec979b80d6740783e0c3be69173f6b33a5055f51b41e6b691e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d78b27dee891b3a219ae7522df8b3a23288ce83f6bf0cf537f925a862d5c108",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-06T18:47:33Z",
    "title_canon_sha256": "082f08890ef7779e189241d2972bd4ba53c116f5b116e3faa053fcfef2761ca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01723",
    "kind": "arxiv",
    "version": 4
  }
}