Pith Number

pith:4YO5CVCR

pith:2026:4YO5CVCRPOAM73GVLLMSLGX3TP

not attested not anchored not stored refs pending

Unobservables and Decoherence from Complexity

Jochen Szangolies, Michael Epping

arxiv:2606.20927 v1 · 2026-06-18 · quant-ph · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YO5CVCRPOAM73GVLLMSLGX3TP}

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	2026-06-23T01:12:22.270307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61dd154517b80cfecd55ad9259afb9bcee3532ba313dff6b8ce82c753cf3f3f

Aliases

arxiv: 2606.20927 · arxiv_version: 2606.20927v1 · doi: 10.48550/arxiv.2606.20927 · pith_short_12: 4YO5CVCRPOAM · pith_short_16: 4YO5CVCRPOAM73GV · pith_short_8: 4YO5CVCR

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/4YO5CVCRPOAM73GVLLMSLGX3TP \
  | 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: e61dd154517b80cfecd55ad9259afb9bcee3532ba313dff6b8ce82c753cf3f3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f24aa7425ddafccf2098a9a009aa79ffa78ac8cea95b869202a96882157164a",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-18T20:43:06Z",
    "title_canon_sha256": "38ebabfbdcbe6d7123446980648d75a9090a4975318c79232fe6e27c41940d7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20927",
    "kind": "arxiv",
    "version": 1
  }
}