Pith Number

pith:VXEPPWD5

pith:2018:VXEPPWD5Y2S2EB3XVSVBSYXGBC

not attested not anchored not stored refs pending

Towards a source of multi-photon entangled states for linear optical quantum computing

A. J. Bennett, A. J. Shields, B. Villa, D. A. Ritchie, D. J. P. Ellis, I. Farrer, J. P. Lee, R. M. Stevenson

arxiv:1804.11311 v1 · 2018-04-30 · 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{VXEPPWD5Y2S2EB3XVSVBSYXGBC}

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	2026-05-17T23:49:27.819640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adc8f7d87dc6a5a20777acaa1962e608a6394462334ba38eeb8740d4f666cf5e

Aliases

arxiv: 1804.11311 · arxiv_version: 1804.11311v1 · doi: 10.48550/arxiv.1804.11311 · pith_short_12: VXEPPWD5Y2S2 · pith_short_16: VXEPPWD5Y2S2EB3X · pith_short_8: VXEPPWD5

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/VXEPPWD5Y2S2EB3XVSVBSYXGBC \
  | 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: adc8f7d87dc6a5a20777acaa1962e608a6394462334ba38eeb8740d4f666cf5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feeeb07ad7493402a067b0d2e8281c32185a0eafe942b394eb2efffe95f528c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-30T16:37:49Z",
    "title_canon_sha256": "9d82281afa063ccb0fe690f4a86e0e4ce60adcec0d44617b03a785525bd8c5fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11311",
    "kind": "arxiv",
    "version": 1
  }
}