Pith Number

pith:BI4KVXMM

pith:2015:BI4KVXMMB6D4YAOOSMTLSTW6DK

not attested not anchored not stored refs pending

Uniqueness of the de Sitter spacetime among static vacua with positive cosmological constant

Oussama Hijazi, Sebastian Montiel, Simon Raulot (LMRS)

arxiv:1502.04090 v1 · 2015-02-13 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BI4KVXMMB6D4YAOOSMTLSTW6DK}

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	2026-05-18T02:27:06.540513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a38aadd8c0f87cc01ce9326b94ede1a813f33aaed4e1e2b8e6f69ab61df2d94

Aliases

arxiv: 1502.04090 · arxiv_version: 1502.04090v1 · doi: 10.48550/arxiv.1502.04090 · pith_short_12: BI4KVXMMB6D4 · pith_short_16: BI4KVXMMB6D4YAOO · pith_short_8: BI4KVXMM

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/BI4KVXMMB6D4YAOOSMTLSTW6DK \
  | 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: 0a38aadd8c0f87cc01ce9326b94ede1a813f33aaed4e1e2b8e6f69ab61df2d94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc5c8a582919ebb80cbeb30ef3de6424a59ccecce663b9430e69838fe314e810",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-02-13T18:56:04Z",
    "title_canon_sha256": "4e70a3b62fded9a0bc2212cd835a1d64b8ecd2f8ebf9015f13cd3a83689049fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04090",
    "kind": "arxiv",
    "version": 1
  }
}