Pith Number

pith:ODFLZAU5

pith:2021:ODFLZAU5OMILMLSE63WXIGL6B3

not attested not anchored not stored refs pending

Near-maximal two-photon entanglement for quantum communications at 2.1 $\mu$m

Adetunmise C. Dada, Corin Gawith, Daniele Faccio, J\k{e}drzej Kaniewski, Martin Lavery, Matteo Clerici, Robert H. Hadfield

arxiv:2106.10194 v2 · 2021-06-18 · quant-ph · physics.app-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODFLZAU5OMILMLSE63WXIGL6B3}

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	2026-07-05T04:42:55.080355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70cabc829d7310b62e44f6ed74197e0ef45b447e794261bd142d368c068cd60b

Aliases

arxiv: 2106.10194 · arxiv_version: 2106.10194v2 · doi: 10.48550/arxiv.2106.10194 · pith_short_12: ODFLZAU5OMIL · pith_short_16: ODFLZAU5OMILMLSE · pith_short_8: ODFLZAU5

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/ODFLZAU5OMILMLSE63WXIGL6B3 \
  | 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: 70cabc829d7310b62e44f6ed74197e0ef45b447e794261bd142d368c068cd60b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b473df172407a62185b65017745df5858c7bcad3a4e0ed852cb97d9fd4c9494",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-18T15:49:46Z",
    "title_canon_sha256": "1dda483bd071b15b82c008a6cca7f00460855d2a46fc4dfe8063370c9ee88d9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10194",
    "kind": "arxiv",
    "version": 2
  }
}