Pith Number

pith:UB4ZANXA

pith:2009:UB4ZANXA42TCJNQBQJ7ELETPHA

not attested not anchored not stored refs pending

Constructing General Unitary Maps from State Preparations

Gavin Brennen, Ivan H. Deutsch, Poul S. Jessen, Seth T. Merkel

arxiv:0902.1969 v1 · 2009-02-11 · 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{UB4ZANXA42TCJNQBQJ7ELETPHA}

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	2026-05-18T03:24:07.919915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0799036e0e6a624b601827e45926f380890f25c9a9563e2de84e6ca3b0abb80

Aliases

arxiv: 0902.1969 · arxiv_version: 0902.1969v1 · doi: 10.48550/arxiv.0902.1969 · pith_short_12: UB4ZANXA42TC · pith_short_16: UB4ZANXA42TCJNQB · pith_short_8: UB4ZANXA

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/UB4ZANXA42TCJNQBQJ7ELETPHA \
  | 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: a0799036e0e6a624b601827e45926f380890f25c9a9563e2de84e6ca3b0abb80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02e7a95888ca570b445ab3f80be9054bd234b7594d7d93cde39dd45651e7611b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-11T19:23:53Z",
    "title_canon_sha256": "89787778fbd285747b75049e83a8ea8c624ccdd7469cfc01f68ef49e86652be5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1969",
    "kind": "arxiv",
    "version": 1
  }
}