Pith Number

pith:EOSIM7XI

pith:2016:EOSIM7XIEPQZOM6KNSVLK4VPYI

not attested not anchored not stored refs pending

Existence of quantum time crystals

Carlo Heissenberg, Franco Strocchi

arxiv:1605.04188 v1 · 2016-05-13 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOSIM7XIEPQZOM6KNSVLK4VPYI}

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	2026-05-18T01:14:54.078899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23a4867ee823e19733ca6caab572afc209d89179f3df4a6925586bf24eb27aa0

Aliases

arxiv: 1605.04188 · arxiv_version: 1605.04188v1 · doi: 10.48550/arxiv.1605.04188 · pith_short_12: EOSIM7XIEPQZ · pith_short_16: EOSIM7XIEPQZOM6K · pith_short_8: EOSIM7XI

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/EOSIM7XIEPQZOM6KNSVLK4VPYI \
  | 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: 23a4867ee823e19733ca6caab572afc209d89179f3df4a6925586bf24eb27aa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "219d61cf3e93a7cd06d9b6ed10f6481b93cdb4133185b2ddcf6b08f6af6dcdf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-13T14:15:02Z",
    "title_canon_sha256": "805afe21859f710620764badb0b233017daf68df12fb0be93f1a3501450a168d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04188",
    "kind": "arxiv",
    "version": 1
  }
}