Pith Number

pith:OCM5ZUXX

pith:2012:OCM5ZUXXPPYAT4IBOQ2WWFHCOR

not attested not anchored not stored refs pending

Open timelike curves violate Heisenberg's uncertainty principle

C.R. Myers, J.L. Pienaar, T.C. Ralph

arxiv:1206.5485 v1 · 2012-06-24 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OCM5ZUXXPPYAT4IBOQ2WWFHCOR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:22:28.078637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7099dcd2f77bf009f10174356b14e2747a049525e21d542e2399371033f5c2fb

Aliases

arxiv: 1206.5485 · arxiv_version: 1206.5485v1 · doi: 10.48550/arxiv.1206.5485 · pith_short_12: OCM5ZUXXPPYA · pith_short_16: OCM5ZUXXPPYAT4IB · pith_short_8: OCM5ZUXX

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/OCM5ZUXXPPYAT4IBOQ2WWFHCOR \
  | 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: 7099dcd2f77bf009f10174356b14e2747a049525e21d542e2399371033f5c2fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48441c748f529c4c2c7b362e60f7c4aaa65ed539b5b557368392537e30d2e344",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-24T12:42:20Z",
    "title_canon_sha256": "bd650158c423a49cada3a260d579418daa25085ad73982227dd4a6e11f037b37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5485",
    "kind": "arxiv",
    "version": 1
  }
}