Pith Number

pith:GMYQDX3U

pith:2012:GMYQDX3UEBWBZBN6IU6ECQADAZ

not attested not anchored not stored refs pending

Is quantum linear superposition an exact principle of nature?

Angelo Bassi, Hendrik Ulbricht, Tejinder P. Singh

arxiv:1212.0135 v1 · 2012-12-01 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GMYQDX3UEBWBZBN6IU6ECQADAZ}

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	2026-05-18T03:39:27.152072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

333101df74206c1c85be453c414003065d97f302ce8f32e421dd336832180f68

Aliases

arxiv: 1212.0135 · arxiv_version: 1212.0135v1 · doi: 10.48550/arxiv.1212.0135 · pith_short_12: GMYQDX3UEBWB · pith_short_16: GMYQDX3UEBWBZBN6 · pith_short_8: GMYQDX3U

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/GMYQDX3UEBWBZBN6IU6ECQADAZ \
  | 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: 333101df74206c1c85be453c414003065d97f302ce8f32e421dd336832180f68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcac1243f5a8b18b92dbd394c3656b123ae6a308b7dc2d0e248c935a6ae5afd6",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-01T17:07:21Z",
    "title_canon_sha256": "02fb95367b91bbe8c5f493d4e4a4b5afa1544b216988fcd53536fc66ad52d536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0135",
    "kind": "arxiv",
    "version": 1
  }
}