Pith Number

pith:W6IJV2UI

pith:2018:W6IJV2UIFKUU5FOGZTHJULGXF6

not attested not anchored not stored refs pending

Is a Topology Change After a Big Rip Possible?

V.K. Oikonomou

arxiv:1805.11945 v1 · 2018-05-30 · 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{W6IJV2UIFKUU5FOGZTHJULGXF6}

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

Causality Violating Solutions in Curvature-Squared Gravity

Receipt and verification

First computed	2026-05-17T23:50:27.964679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7909aea882aa94e95c6ccce9a2cd72f84e93853e5c7c68e2bd99920c27dc1d9

Aliases

arxiv: 1805.11945 · arxiv_version: 1805.11945v1 · doi: 10.48550/arxiv.1805.11945 · pith_short_12: W6IJV2UIFKUU · pith_short_16: W6IJV2UIFKUU5FOG · pith_short_8: W6IJV2UI

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/W6IJV2UIFKUU5FOGZTHJULGXF6 \
  | 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: b7909aea882aa94e95c6ccce9a2cd72f84e93853e5c7c68e2bd99920c27dc1d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1041bd2ef8f8b161eaeffb1497882457e9f3dedf608365c65c8e25f5c754479f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-30T13:35:47Z",
    "title_canon_sha256": "86673fe19c65267b2a0083315bfddf2845f01c9c7b28178961ab6f760bf21a68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11945",
    "kind": "arxiv",
    "version": 1
  }
}