Pith Number

pith:TUFWFITA

pith:2021:TUFWFITAEMZUV6WR45UEFQOFLC

not attested not anchored not stored refs pending

Entangling single atoms over 33 km telecom fibre

Christoph Becher, Florian Fertig, Harald Weinfurter, Matthias Bock, Matthias Seubert, Pooja Malik, Robert Garthoff, Sebastian Eppelt, Tim van Leent, Tobias Bauer, Wei Zhang, Wenjamin Rosenfeld, Yiru Zhou

arxiv:2111.15526 v1 · 2021-11-30 · 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{TUFWFITAEMZUV6WR45UEFQOFLC}

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	2026-07-05T04:44:19.210591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d0b62a26023334afad1e76842c1c558856ef0131b861bc2a0a42f38da8a5436

Aliases

arxiv: 2111.15526 · arxiv_version: 2111.15526v1 · doi: 10.48550/arxiv.2111.15526 · pith_short_12: TUFWFITAEMZU · pith_short_16: TUFWFITAEMZUV6WR · pith_short_8: TUFWFITA

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/TUFWFITAEMZUV6WR45UEFQOFLC \
  | 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: 9d0b62a26023334afad1e76842c1c558856ef0131b861bc2a0a42f38da8a5436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76e06c5690adfb65028a68818d88cf3ddf12bf9e15334ac6e84d97fbfd62a9fa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-30T16:13:40Z",
    "title_canon_sha256": "953b80a9820b513b67ad56c8a9533b786c786c0f8b2dd972857225b994adedbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.15526",
    "kind": "arxiv",
    "version": 1
  }
}