Pith Number

pith:2PEDTWAM

pith:2009:2PEDTWAMQETOYYJGKG2SSARD7P

not attested not anchored not stored refs pending

A rigidity property of asymptotically simple spacetimes arising from conformally flat data

Juan A. Valiente Kroon

arxiv:0906.4714 v1 · 2009-06-25 · 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{2PEDTWAMQETOYYJGKG2SSARD7P}

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	2026-05-18T02:34:45.444028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3c839d80c8126ec612651b5290223fbfebbf61dabe5c288311c2b8a2b99986d

Aliases

arxiv: 0906.4714 · arxiv_version: 0906.4714v1 · doi: 10.48550/arxiv.0906.4714 · pith_short_12: 2PEDTWAMQETO · pith_short_16: 2PEDTWAMQETOYYJG · pith_short_8: 2PEDTWAM

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/2PEDTWAMQETOYYJGKG2SSARD7P \
  | 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: d3c839d80c8126ec612651b5290223fbfebbf61dabe5c288311c2b8a2b99986d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11d2fcb2cb645a22b524cb6d978faa28e6da29aa46b255e161540eef0993d707",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-06-25T15:19:48Z",
    "title_canon_sha256": "ead5f8b1e7136e5ee4df57cbad0e7bcc14725b456c4d754f73aa2de1b092f448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4714",
    "kind": "arxiv",
    "version": 1
  }
}