Pith Number

pith:4EWS2Q5R

pith:2015:4EWS2Q5RT2UZYOJT7XMA73R2IN

not attested not anchored not stored refs pending

Gaussian Discriminating Strength

Alessandro Farace, Antonella De Pasquale, Luca Rigovacca, Vittorio Giovannetti

arxiv:1507.03876 v2 · 2015-07-14 · 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{4EWS2Q5RT2UZYOJT7XMA73R2IN}

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	2026-05-18T01:28:13.975986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12d2d43b19ea99c3933fdd80fee3a4351cb38959687dd66c81c62142a3c7ed6

Aliases

arxiv: 1507.03876 · arxiv_version: 1507.03876v2 · doi: 10.48550/arxiv.1507.03876 · pith_short_12: 4EWS2Q5RT2UZ · pith_short_16: 4EWS2Q5RT2UZYOJT · pith_short_8: 4EWS2Q5R

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/4EWS2Q5RT2UZYOJT7XMA73R2IN \
  | 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: e12d2d43b19ea99c3933fdd80fee3a4351cb38959687dd66c81c62142a3c7ed6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4550f4cf7265cd60fdf212a297451c7aeb3cc806b0e4911859fd3c6bc4f02fdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-14T14:59:09Z",
    "title_canon_sha256": "0362e6d31d700faf7f97dbfcd447950335446e4704ff514ab5c83c2946007b88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03876",
    "kind": "arxiv",
    "version": 2
  }
}