Pith Number

pith:VKC7HVWQ

pith:2009:VKC7HVWQMLFJMDLDEDD3XEH5AT

not attested not anchored not stored refs pending

Strong cosmic censorship for solutions of the Einstein-Maxwell field equations with polarized Gowdy symmetry

Alan D. Rendall, Ernesto Nungesser

arxiv:0901.4000 v2 · 2009-01-26 · 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{VKC7HVWQMLFJMDLDEDD3XEH5AT}

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	2026-05-18T04:42:44.780185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa85f3d6d062ca960d6320c7bb90fd04e0822eb8ac6ea8a73762c502bd808596

Aliases

arxiv: 0901.4000 · arxiv_version: 0901.4000v2 · doi: 10.48550/arxiv.0901.4000 · pith_short_12: VKC7HVWQMLFJ · pith_short_16: VKC7HVWQMLFJMDLD · pith_short_8: VKC7HVWQ

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/VKC7HVWQMLFJMDLDEDD3XEH5AT \
  | 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: aa85f3d6d062ca960d6320c7bb90fd04e0822eb8ac6ea8a73762c502bd808596

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97e02aa1a9257e0a799f3ded1c1a93b27617a3d94c25754d8ac6974d0fcee15b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-01-26T13:17:05Z",
    "title_canon_sha256": "4924fa7ecd76dbdbe63b6ea045143cd015c2a3656d51f129841b01852a4f4594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4000",
    "kind": "arxiv",
    "version": 2
  }
}