Pith Number

pith:7725JELL

pith:2016:7725JELLB2WSWUI5GJW26WQIJB

not attested not anchored not stored refs pending

Probing quantum state space: does one have to learn everything to learn something?

Alessandro Toigo, Claudio Carmeli, Jussi Schultz, Teiko Heinosaari

arxiv:1611.04388 v2 · 2016-11-14 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7725JELLB2WSWUI5GJW26WQIJB}

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	2026-05-18T00:43:18.245764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fff5d4916b0ead2b511d326daf5a084877c88322181c5319d3ac3008892bf029

Aliases

arxiv: 1611.04388 · arxiv_version: 1611.04388v2 · doi: 10.48550/arxiv.1611.04388 · pith_short_12: 7725JELLB2WS · pith_short_16: 7725JELLB2WSWUI5 · pith_short_8: 7725JELL

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/7725JELLB2WSWUI5GJW26WQIJB \
  | 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: fff5d4916b0ead2b511d326daf5a084877c88322181c5319d3ac3008892bf029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "177248371e9e6fab8a3cb347bd8e4f2a3579f71df52df0b0e90ebb5d47479794",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-11-14T14:07:05Z",
    "title_canon_sha256": "17377d2664c1bd46dfe62c9c8b881a39c84070d1905277166f32f5e96cc6507c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04388",
    "kind": "arxiv",
    "version": 2
  }
}