Pith Number

pith:KYXDETP6

pith:2014:KYXDETP6FCPO2BCJFIKYV57AXI

not attested not anchored not stored refs pending

Time machines with the compactly determined Cauchy horizon

S. Krasnikov

arxiv:1405.2277 v2 · 2014-05-09 · 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{KYXDETP6FCPO2BCJFIKYV57AXI}

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	2026-05-18T01:43:15.681357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

562e324dfe289eed04492a158af7e0ba2b5bb677ee4f1e9a3f5ef9eca15eb019

Aliases

arxiv: 1405.2277 · arxiv_version: 1405.2277v2 · doi: 10.48550/arxiv.1405.2277 · pith_short_12: KYXDETP6FCPO · pith_short_16: KYXDETP6FCPO2BCJ · pith_short_8: KYXDETP6

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/KYXDETP6FCPO2BCJFIKYV57AXI \
  | 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: 562e324dfe289eed04492a158af7e0ba2b5bb677ee4f1e9a3f5ef9eca15eb019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0f743db0ccfdaad297344f6c9d3363ec7c3492948c35c419181801cb28afd49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-09T16:14:46Z",
    "title_canon_sha256": "6d3d5d7484cfbfd8f98ccf4de2d730b26bdc0736ca0ec54740fbc8fbf4a8dfa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2277",
    "kind": "arxiv",
    "version": 2
  }
}