Pith Number

pith:3NTSJTRP

pith:2017:3NTSJTRPXSI7JAA2CD5U2AIZBO

not attested not anchored not stored refs pending

Quantifying nonclassicality by characteristic functions

J. Sperling, S. Ryl, W. Vogel

arxiv:1702.00213 v2 · 2017-02-01 · 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{3NTSJTRPXSI7JAA2CD5U2AIZBO}

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	2026-05-18T00:44:18.708425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db6724ce2fbc91f4801a10fb4d01190bb24f93068b0b96c39115343e32ca0184

Aliases

arxiv: 1702.00213 · arxiv_version: 1702.00213v2 · doi: 10.48550/arxiv.1702.00213 · pith_short_12: 3NTSJTRPXSI7 · pith_short_16: 3NTSJTRPXSI7JAA2 · pith_short_8: 3NTSJTRP

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/3NTSJTRPXSI7JAA2CD5U2AIZBO \
  | 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: db6724ce2fbc91f4801a10fb4d01190bb24f93068b0b96c39115343e32ca0184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f221c96f0abb1b3af86674747e5228531c47d3947dfd7f54c50ba5d636da25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-02-01T11:48:45Z",
    "title_canon_sha256": "0b1f469e09276c890d8c3493ed01ca925821953d07ab8c620192a2c857891cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00213",
    "kind": "arxiv",
    "version": 2
  }
}