Pith Number

pith:KZZ2YDRX

pith:2024:KZZ2YDRXY2FFJKEAAR46ACM23J

not attested not anchored not stored refs pending

Life on a closed timelike curve

Lorenzo Gavassino

arxiv:2405.18640 v2 · 2024-05-28 · gr-qc · 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{KZZ2YDRXY2FFJKEAAR46ACM23J}

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

Black Holes Rule Out Heavy Tachyons

Receipt and verification

First computed	2026-07-05T09:48:13.630535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5673ac0e37c68a54a8800479e0099ada44b94ac88c3b0b8b811a1fce37e768dd

Aliases

arxiv: 2405.18640 · arxiv_version: 2405.18640v2 · doi: 10.48550/arxiv.2405.18640 · pith_short_12: KZZ2YDRXY2FF · pith_short_16: KZZ2YDRXY2FFJKEA · pith_short_8: KZZ2YDRX

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/KZZ2YDRXY2FFJKEAAR46ACM23J \
  | 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: 5673ac0e37c68a54a8800479e0099ada44b94ac88c3b0b8b811a1fce37e768dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e5fd4618f16e0e1b0657a6b75238c9992eaf799b9c5dbb060a6cc3bb42b0dc8",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-05-28T22:51:54Z",
    "title_canon_sha256": "d6e49d4ce12ce56f500fe433ace28322793116f4cd00bde6451375b12c9ed9b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.18640",
    "kind": "arxiv",
    "version": 2
  }
}