Pith Number

pith:DIDPSTDW

pith:1997:DIDPSTDWHDFVUIM6FOYLJFSNQ7

not attested not anchored not stored refs pending

Quantum Computers and Dissipation

Artur K. Ekert (Clarendon Laboratory, G. Massimo Palma, Kalle-Antti Suominen, U.K.), University of Oxford

arxiv:quant-ph/9702001 v1 · 1997-01-31 · 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{DIDPSTDWHDFVUIM6FOYLJFSNQ7}

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	2026-05-18T01:37:53.287465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a06f94c7638cb5a219e2bb0b4964d87ccf7cb835fe3d1bdd6cd249d3b3bee57

Aliases

arxiv: quant-ph/9702001 · arxiv_version: quant-ph/9702001v1 · doi: 10.48550/arxiv.quant-ph/9702001 · pith_short_12: DIDPSTDWHDFV · pith_short_16: DIDPSTDWHDFVUIM6 · pith_short_8: DIDPSTDW

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/DIDPSTDWHDFVUIM6FOYLJFSNQ7 \
  | 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: 1a06f94c7638cb5a219e2bb0b4964d87ccf7cb835fe3d1bdd6cd249d3b3bee57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9750e846230ca37cd926b7a8f80579e953da32a5276523350a06cbd0cff29549",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-01-31T06:56:27Z",
    "title_canon_sha256": "c73e96d5974e8e047fd30e3965e33b1bbd2e4b8d5bcd34130436bc20077df365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9702001",
    "kind": "arxiv",
    "version": 1
  }
}