Pith Number

pith:IZ5EPRQC

pith:2018:IZ5EPRQCNUPB4VKZMFTPR372X4

not attested not anchored not stored refs pending

Closed timelike curves and chronology protection in quantum and classical simulators

Carlos Sab\'in, Gonzalo Mart\'in-V\'azquez

arxiv:1810.05124 v2 · 2018-10-11 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZ5EPRQCNUPB4VKZMFTPR372X4}

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.

Cited by

1 paper in Pith

Analogue simulation of quantum gravity black hole models in a dc-SQUID array

Receipt and verification

First computed	2026-07-05T00:36:16.343269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

467a47c6026d1e1e55596166f8effabf336a465ebea0ef71f196b724932a45d3

Aliases

arxiv: 1810.05124 · arxiv_version: 1810.05124v2 · doi: 10.48550/arxiv.1810.05124 · pith_short_12: IZ5EPRQCNUPB · pith_short_16: IZ5EPRQCNUPB4VKZ · pith_short_8: IZ5EPRQC

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/IZ5EPRQCNUPB4VKZMFTPR372X4 \
  | 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: 467a47c6026d1e1e55596166f8effabf336a465ebea0ef71f196b724932a45d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d88a32148693dc777378b25ea3d98a871796f03b7e1afb10ad1ffcf85e3791b2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-11T17:09:21Z",
    "title_canon_sha256": "2d5812a67bb49a7e2dec368e2d3b2bb305f3278d140393b22ea763703ad5121c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05124",
    "kind": "arxiv",
    "version": 2
  }
}