Pith Number

pith:3KW45TAF

pith:2003:3KW45TAF5TG2SQ3P72YPYU6W3Z

not attested not anchored not stored refs pending

A Qubit on the Faraday Mirror

F. De Martini, F. Sciarrino, V. Secondi

arxiv:quant-ph/0312113 v2 · 2003-12-12 · 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{3KW45TAF5TG2SQ3P72YPYU6W3Z}

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	2026-07-04T14:46:28.914218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daadcecc05eccda9436ffeb0fc53d6de628ae991c9a5ecaa9b2bc1bcaf0c950f

Aliases

arxiv: quant-ph/0312113 · arxiv_version: quant-ph/0312113v2 · doi: 10.48550/arxiv.quant-ph/0312113 · pith_short_12: 3KW45TAF5TG2 · pith_short_16: 3KW45TAF5TG2SQ3P · pith_short_8: 3KW45TAF

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/3KW45TAF5TG2SQ3P72YPYU6W3Z \
  | 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: daadcecc05eccda9436ffeb0fc53d6de628ae991c9a5ecaa9b2bc1bcaf0c950f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "357d60e95380620dc080d4578b00c213571f72962e159c8be7fa38a71e9b7f3f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-12-12T18:23:11Z",
    "title_canon_sha256": "50e5016f9ccae38ec9eb7aaa8420839cd279d27d06605a8929e5c68917c47a8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0312113",
    "kind": "arxiv",
    "version": 2
  }
}