Pith Number

pith:OHMBJ7UM

pith:2015:OHMBJ7UMZLENLN6A64CUGFND6C

not attested not anchored not stored refs pending

Simulations of closed timelike curves

Mark M. Wilde, Todd A. Brun

arxiv:1504.05911 v2 · 2015-04-22 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHMBJ7UMZLENLN6A64CUGFND6C}

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	2026-05-18T00:50:02.066736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71d814fe8ccac8d5b7c0f7054315a3f0b488d972fd55cfcb7827a8ac415fbff4

Aliases

arxiv: 1504.05911 · arxiv_version: 1504.05911v2 · doi: 10.48550/arxiv.1504.05911 · pith_short_12: OHMBJ7UMZLEN · pith_short_16: OHMBJ7UMZLENLN6A · pith_short_8: OHMBJ7UM

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/OHMBJ7UMZLENLN6A64CUGFND6C \
  | 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: 71d814fe8ccac8d5b7c0f7054315a3f0b488d972fd55cfcb7827a8ac415fbff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d490a1a5b5eae9fe5aa051222d2451f8146102daa2dd8b3b5a1886bbb5c53952",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-22T18:22:28Z",
    "title_canon_sha256": "41fb9c16247aa5809d27f3fa42e3fc43e051bd26743d9816fa6c1e50d4470be9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05911",
    "kind": "arxiv",
    "version": 2
  }
}