Pith Number

pith:VMPHQBHC

pith:2020:VMPHQBHC2OLBTZRV2HVWFL6FFV

not attested not anchored not stored refs pending

Witnessing latent time correlations with a single quantum particle

Giulio Chiribella, Hl\'er Kristj\'ansson, Wenxu Mao

arxiv:2004.06090 v4 · 2020-04-13 · 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{VMPHQBHC2OLBTZRV2HVWFL6FFV}

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	2026-07-05T03:38:07.453592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab1e7804e2d39619e635d1eb62afc52d71fa7257b4a111305b1b56a15cc395df

Aliases

arxiv: 2004.06090 · arxiv_version: 2004.06090v4 · doi: 10.48550/arxiv.2004.06090 · pith_short_12: VMPHQBHC2OLB · pith_short_16: VMPHQBHC2OLBTZRV · pith_short_8: VMPHQBHC

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/VMPHQBHC2OLBTZRV2HVWFL6FFV \
  | 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: ab1e7804e2d39619e635d1eb62afc52d71fa7257b4a111305b1b56a15cc395df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b24b4848800606234cbf9a46ac5f858da0692dc52e15c15b87e4927bcdd496c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-13T17:50:50Z",
    "title_canon_sha256": "31314bbd5263e55a4003d63385718f650a08ff63f175f593cb65ec20188ab97c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06090",
    "kind": "arxiv",
    "version": 4
  }
}