Pith Number

pith:4RA5E5BX

pith:2014:4RA5E5BXBYY4VRJLAXVYCR4EMH

not attested not anchored not stored refs pending

Which spacetimes admit conformal compactifications?

Olaf M\"uller

arxiv:1409.8136 v2 · 2014-09-29 · math.DG · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RA5E5BXBYY4VRJLAXVYCR4EMH}

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	2026-05-18T02:33:00.907094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e441d274370e31cac52b05eb81478461ee056e7a0e8d12d6221b0653cd0e98cb

Aliases

arxiv: 1409.8136 · arxiv_version: 1409.8136v2 · doi: 10.48550/arxiv.1409.8136 · pith_short_12: 4RA5E5BXBYY4 · pith_short_16: 4RA5E5BXBYY4VRJL · pith_short_8: 4RA5E5BX

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/4RA5E5BXBYY4VRJLAXVYCR4EMH \
  | 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: e441d274370e31cac52b05eb81478461ee056e7a0e8d12d6221b0653cd0e98cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5c71e3e5262623b47965709bb6a56f4a08c6ad8c34a1acd72d7acc55426688",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-09-29T14:40:46Z",
    "title_canon_sha256": "46c3a0e131d6c70ed1c197429d4ee3a0187e5118550eb09a500123b946c3e0be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8136",
    "kind": "arxiv",
    "version": 2
  }
}