Pith Number

pith:ZMRZJD2D

pith:2020:ZMRZJD2DFPYEVCQEGLQ3K7OL3D

not attested not anchored not stored refs pending

Maximally entangled and GHz-clocked on-demand photon pair source

Carmen Weigelt, Caspar Hopfmann, Fei Ding, Nand Lal Sharma, Oliver G. Schmidt, Weijie Nie

arxiv:2010.11817 v1 · 2020-10-22 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMRZJD2DFPYEVCQEGLQ3K7OL3D}

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	2026-07-05T02:52:40.349815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb23948f432bf04a8a0432e1b57dcbd8ccad9101c7a363358ca2d163630819ca

Aliases

arxiv: 2010.11817 · arxiv_version: 2010.11817v1 · doi: 10.48550/arxiv.2010.11817 · pith_short_12: ZMRZJD2DFPYE · pith_short_16: ZMRZJD2DFPYEVCQE · pith_short_8: ZMRZJD2D

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/ZMRZJD2DFPYEVCQEGLQ3K7OL3D \
  | 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: cb23948f432bf04a8a0432e1b57dcbd8ccad9101c7a363358ca2d163630819ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77fdf59313c4a53df06893d174e54dcc4500eda3f3a2c2b61e395aa74d974cdf",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-10-22T15:54:35Z",
    "title_canon_sha256": "86c3eb5f0ca89c73be4cc604f6c0c6340dfcebabb5b6553b0f7e3bdd00433feb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.11817",
    "kind": "arxiv",
    "version": 1
  }
}