Pith Number

pith:FTNET54R

pith:2010:FTNET54RHLQ7OLDV2B6J7X435E

not attested not anchored not stored refs pending

Quantum Key Distribution and Communication using a Two-way Quantum Channel

Marco Lucamarini, Stefano Mancini

arxiv:1004.0157 v2 · 2010-04-01 · 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{FTNET54RHLQ7OLDV2B6J7X435E}

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	2026-05-18T02:24:18.171758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cda49f7913ae1f72c75d07c9fdf9be9309e95e0a27daf89c94bdaeb24a96b7c

Aliases

arxiv: 1004.0157 · arxiv_version: 1004.0157v2 · doi: 10.48550/arxiv.1004.0157 · pith_short_12: FTNET54RHLQ7 · pith_short_16: FTNET54RHLQ7OLDV · pith_short_8: FTNET54R

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/FTNET54RHLQ7OLDV2B6J7X435E \
  | 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: 2cda49f7913ae1f72c75d07c9fdf9be9309e95e0a27daf89c94bdaeb24a96b7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66bda513716d6b040e0e66052662afc8275e9cbb9d2f6028d6ff196d971814fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-01T15:34:39Z",
    "title_canon_sha256": "61b9b89675eef6f004dcde1b9f916663bf753b8c00984e05efa017e6f393cc3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0157",
    "kind": "arxiv",
    "version": 2
  }
}