Pith Number

pith:3LLC73JZ

pith:2003:3LLC73JZNOFSHRTR4VSH6FHGQJ

not attested not anchored not stored refs pending

Long-Distance Quantum Communication with Entangled Photons using Satellites

Anton Zeilinger, Markus Aspelmeyer, Martin Pfennigbauer, Thomas Jennewein, Walter Leeb

arxiv:quant-ph/0305105 v1 · 2003-05-19 · 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{3LLC73JZNOFSHRTR4VSH6FHGQJ}

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	2026-05-18T00:58:04.889117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dad62fed396b8b23c671e5647f14e6826b691a1c532d872309f384d8cf87edef

Aliases

arxiv: quant-ph/0305105 · arxiv_version: quant-ph/0305105v1 · doi: 10.48550/arxiv.quant-ph/0305105 · pith_short_12: 3LLC73JZNOFS · pith_short_16: 3LLC73JZNOFSHRTR · pith_short_8: 3LLC73JZ

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/3LLC73JZNOFSHRTR4VSH6FHGQJ \
  | 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: dad62fed396b8b23c671e5647f14e6826b691a1c532d872309f384d8cf87edef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f2d4609ffe6c67f3813c8cbf98e3f8837fc11b4b0008bce4bcd6425b49becfd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-05-19T18:41:35Z",
    "title_canon_sha256": "7df3d5156639fd4dd38f7cf50a70d563dca007b430286f51b922f3fa3a417d2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0305105",
    "kind": "arxiv",
    "version": 1
  }
}