Pith Number

pith:MDDU4OZ6

pith:2011:MDDU4OZ6R2QEFVXCWNPFETQDMT

not attested not anchored not stored refs pending

Quantum state transfer in frequency down-conversion via nondegenerate optical parametric amplifier

Junxiang Zhang, Shi-Yao Zhu, Yunfei Bai

arxiv:1102.4676 v1 · 2011-02-23 · 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{MDDU4OZ6R2QEFVXCWNPFETQDMT}

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	2026-05-18T04:28:07.655330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60c74e3b3e8ea042d6e2b35e524e0364f9c3c9da19ea392e635dc18e590fc0d0

Aliases

arxiv: 1102.4676 · arxiv_version: 1102.4676v1 · doi: 10.48550/arxiv.1102.4676 · pith_short_12: MDDU4OZ6R2QE · pith_short_16: MDDU4OZ6R2QEFVXC · pith_short_8: MDDU4OZ6

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/MDDU4OZ6R2QEFVXCWNPFETQDMT \
  | 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: 60c74e3b3e8ea042d6e2b35e524e0364f9c3c9da19ea392e635dc18e590fc0d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "361f7587d801a00a8ff669b9cabc51ef9a1b028bda1ec51c3bb97aba6e54ac4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-02-23T07:32:18Z",
    "title_canon_sha256": "e00b1923e3a383b68e265613dac83209ebcedddb1f967835754e662c71906dc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4676",
    "kind": "arxiv",
    "version": 1
  }
}