Pith Number

pith:4FPOHC56

pith:2015:4FPOHC56UIBRWHKK4FZKMQXIFI

not attested not anchored not stored refs pending

Local quantum ergodic conjecture

Alfredo M. Ozorio de Almeida, E. Zambrano, W.P. Karel Zapfe

arxiv:1502.03352 v1 · 2015-02-11 · 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{4FPOHC56UIBRWHKK4FZKMQXIFI}

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	2026-05-18T02:04:01.670275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e15ee38bbea2031b1d4ae172a642e82a200f018172234526c12081edd1187ee3

Aliases

arxiv: 1502.03352 · arxiv_version: 1502.03352v1 · doi: 10.48550/arxiv.1502.03352 · pith_short_12: 4FPOHC56UIBR · pith_short_16: 4FPOHC56UIBRWHKK · pith_short_8: 4FPOHC56

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/4FPOHC56UIBRWHKK4FZKMQXIFI \
  | 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: e15ee38bbea2031b1d4ae172a642e82a200f018172234526c12081edd1187ee3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123d4476f362543384f19dd32e183c8e5bac6ac656ce78c897cee11790ab20ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-11T16:08:12Z",
    "title_canon_sha256": "e2143744d83373acfa96e2b0c8745add79a9788a96fa9ee6827a2aac98cf7e76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03352",
    "kind": "arxiv",
    "version": 1
  }
}