Pith Number

pith:4YEIVVXD

pith:2018:4YEIVVXDN5VIYGWCH5SLPUUB7P

not attested not anchored not stored refs pending

Spontaneous Symmetry Breaking in Finite Quantum Systems: a decoherent-histories approach

David Wallace

arxiv:1808.09547 v1 · 2018-08-28 · quant-ph · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YEIVVXDN5VIYGWCH5SLPUUB7P}

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	2026-05-18T00:06:55.240072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6088ad6e36f6a8c1ac23f64b7d281fbf959fe4d04f6a620940d2db5951ddef2

Aliases

arxiv: 1808.09547 · arxiv_version: 1808.09547v1 · doi: 10.48550/arxiv.1808.09547 · pith_short_12: 4YEIVVXDN5VI · pith_short_16: 4YEIVVXDN5VIYGWC · pith_short_8: 4YEIVVXD

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/4YEIVVXDN5VIYGWCH5SLPUUB7P \
  | 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: e6088ad6e36f6a8c1ac23f64b7d281fbf959fe4d04f6a620940d2db5951ddef2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee067460971c9c88f70b7e2f1661397ab8217a00522d9d12804b94ed6668845e",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-08-28T21:13:23Z",
    "title_canon_sha256": "cd9db778007f0925ae2b011310ce2e34d45b9185d0c0f6906f33e958a3a8d448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09547",
    "kind": "arxiv",
    "version": 1
  }
}