Pith Number

pith:4GD5VB2E

pith:2019:4GD5VB2E7EMP7GI744DU3X4LAE

not attested not anchored not stored refs pending

A Brief Review of the "ETH-Approach to Quantum Mechanics"

Juerg Froehlich

arxiv:1905.06603 v2 · 2019-05-16 · 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{4GD5VB2E7EMP7GI744DU3X4LAE}

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	2026-05-17T23:43:49.331631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e187da8744f918ff991fe7074ddf8b013f3565903a5f62526636374ee6933b4a

Aliases

arxiv: 1905.06603 · arxiv_version: 1905.06603v2 · doi: 10.48550/arxiv.1905.06603 · pith_short_12: 4GD5VB2E7EMP · pith_short_16: 4GD5VB2E7EMP7GI7 · pith_short_8: 4GD5VB2E

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/4GD5VB2E7EMP7GI744DU3X4LAE \
  | 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: e187da8744f918ff991fe7074ddf8b013f3565903a5f62526636374ee6933b4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fe3c2a494a0f53d26f47494faf34f036e4b6b06f235c7c0b08692d53c844fce",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-16T08:57:26Z",
    "title_canon_sha256": "19c4551fc820879a7cf3d1c3b53f010f74ae51f0d6a99810fba4a6366bf56f9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06603",
    "kind": "arxiv",
    "version": 2
  }
}