Pith Number

pith:AQCBCGJM

pith:2026:AQCBCGJMQCM52D7BYRGKV3SJT5

not attested not anchored not stored refs pending

When Isolated Quantum Systems Appear Classical

Fernando de Melo, Gabriel Dias Carvalho, Pedro S. Correia, Ra\'ul O. Vallejos, Thiago R. de Oliveira, Tiago Debarba

arxiv:2606.19188 v1 · 2026-06-17 · 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{AQCBCGJMQCM52D7BYRGKV3SJT5}

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	2026-06-19T16:12:07.415713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

040411192c8099dd0fe1c44caaee499f5acf45b8c160557c630cc6b357266ee9

Aliases

arxiv: 2606.19188 · arxiv_version: 2606.19188v1 · doi: 10.48550/arxiv.2606.19188 · pith_short_12: AQCBCGJMQCM5 · pith_short_16: AQCBCGJMQCM52D7B · pith_short_8: AQCBCGJM

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/AQCBCGJMQCM52D7BYRGKV3SJT5 \
  | 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: 040411192c8099dd0fe1c44caaee499f5acf45b8c160557c630cc6b357266ee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f1a230f9414bc3d731e8d819d1b24eef37482eade75cf0ee82554a45706e006",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-17T15:30:00Z",
    "title_canon_sha256": "828536206f83ea27a80187b8464c4c4d04f535a40b44f8b35afd3073a58ac7f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19188",
    "kind": "arxiv",
    "version": 1
  }
}