Pith Number

pith:7GXWDIGQ

pith:2003:7GXWDIGQS2ZT44QJHYRYEHIHIT

not attested not anchored not stored refs pending

Optical telecom networks as weak quantum measurements with post- selection

Antonio Acin, Daniel Collins, Nicolas Brunner, Nicolas Gisin, Valerio Scarani

arxiv:quant-ph/0306108 v1 · 2003-06-16 · 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{7GXWDIGQS2ZT44QJHYRYEHIHIT}

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	2026-07-04T16:42:31.993119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9af61a0d096b33e72093e23821d0744e805af71693353bea612a4e91835db90

Aliases

arxiv: quant-ph/0306108 · arxiv_version: quant-ph/0306108v1 · doi: 10.48550/arxiv.quant-ph/0306108 · pith_short_12: 7GXWDIGQS2ZT · pith_short_16: 7GXWDIGQS2ZT44QJ · pith_short_8: 7GXWDIGQ

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/7GXWDIGQS2ZT44QJHYRYEHIHIT \
  | 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: f9af61a0d096b33e72093e23821d0744e805af71693353bea612a4e91835db90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7d287f921c698077b571b6a40dd5d4d7664383e10015d3e79488a85551a25cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-06-16T11:54:32Z",
    "title_canon_sha256": "722d10d674ad1ad04847c979a61776400c5089b85b8a55ae8ab8b9ce5fa32c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0306108",
    "kind": "arxiv",
    "version": 1
  }
}