Pith Number

pith:7C75E56Z

pith:2018:7C75E56Z5PDT3FZWUIZSWFU7NC

not attested not anchored not stored refs pending

Fiber coupled EPR-state generation using a single temporally multiplexed squeezed light source

Casper R. Breum, Jonas S. Neergaard-Nielsen, Mikkel V. Larsen, Ulrik L. Andersen, Xueshi Guo

arxiv:1812.05358 v3 · 2018-12-13 · 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{7C75E56Z5PDT3FZWUIZSWFU7NC}

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	2026-05-17T23:39:57.612272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8bfd277d9ebc73d9736a2332b169f68b4fb8fbf4f0be243e0999ac61928b07c

Aliases

arxiv: 1812.05358 · arxiv_version: 1812.05358v3 · doi: 10.48550/arxiv.1812.05358 · pith_short_12: 7C75E56Z5PDT · pith_short_16: 7C75E56Z5PDT3FZW · pith_short_8: 7C75E56Z

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/7C75E56Z5PDT3FZWUIZSWFU7NC \
  | 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: f8bfd277d9ebc73d9736a2332b169f68b4fb8fbf4f0be243e0999ac61928b07c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e5d24b3d370aa27b5fcfefa79272325bf29f921762d61d6fd9624621aaf70ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-13T11:03:04Z",
    "title_canon_sha256": "76b2cf3710104184da25520d8c0446b0e27232a08244c941062d052ebcaf3b2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05358",
    "kind": "arxiv",
    "version": 3
  }
}