Pith Number

pith:X2MGFW4Z

pith:2012:X2MGFW4ZKQRILO3KYHJC73N36J

not attested not anchored not stored refs pending

Heralded photon amplification for quantum communication

C. I. Osorio, H. Zbinden, N. Bruno, N. Gisin, N. Sangouard, R. T. Thew

arxiv:1203.3396 v2 · 2012-03-15 · 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{X2MGFW4ZKQRILO3KYHJC73N36J}

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	2026-05-18T03:32:28.571921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be9862db99542285bb6ac1d22fedbbf264d7992aeb610763240f189061aa8001

Aliases

arxiv: 1203.3396 · arxiv_version: 1203.3396v2 · doi: 10.48550/arxiv.1203.3396 · pith_short_12: X2MGFW4ZKQRI · pith_short_16: X2MGFW4ZKQRILO3K · pith_short_8: X2MGFW4Z

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/X2MGFW4ZKQRILO3KYHJC73N36J \
  | 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: be9862db99542285bb6ac1d22fedbbf264d7992aeb610763240f189061aa8001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9c14c98d1e75e9648e5f808698b04e9f811cd5d9472c4c7d075965a554d59c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-15T15:43:49Z",
    "title_canon_sha256": "1927e0887e2cc75a098935e20447388f08a031d3b57eea80b80d298946d47f28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3396",
    "kind": "arxiv",
    "version": 2
  }
}