Pith Number

pith:27SI2PW7

pith:1997:27SI2PW7HGMTLRD3BT5BV6EBNL

not attested not anchored not stored refs pending

Quantum Telecomputation

Lov K. Grover (Bell Labs, Murray Hill, NJ)

arxiv:quant-ph/9704012 v2 · 1997-04-07 · 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{27SI2PW7HGMTLRD3BT5BV6EBNL}

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

Color-Center-Compatible Freestanding Diamond Directional Couplers for Quantum Photonics

Receipt and verification

First computed	2026-07-04T15:08:20.764902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7e48d3edf399935c47b0cfa1af8816af381324165a464e114897ee8fc934e48

Aliases

arxiv: quant-ph/9704012 · arxiv_version: quant-ph/9704012v2 · doi: 10.48550/arxiv.quant-ph/9704012 · pith_short_12: 27SI2PW7HGMT · pith_short_16: 27SI2PW7HGMTLRD3 · pith_short_8: 27SI2PW7

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/27SI2PW7HGMTLRD3BT5BV6EBNL \
  | 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: d7e48d3edf399935c47b0cfa1af8816af381324165a464e114897ee8fc934e48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da48ba89d57404d4bee155dac7eafaddff122db25269025ff3cb1d5a58fa92e6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-04-07T18:38:52Z",
    "title_canon_sha256": "49dc3426be552f920b2e4e43c9d9e90c2859d74d840d994075847c09870ed177"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9704012",
    "kind": "arxiv",
    "version": 2
  }
}