Pith Number

pith:SIO6DIQE

pith:2015:SIO6DIQESCIWKM6RGDXWOMU6X2

not attested not anchored not stored refs pending

Lifespan of Solutions to Wave Equations on de Sitter Spacetime

Weiping Yan

arxiv:1502.04781 v3 · 2015-02-17 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIO6DIQESCIWKM6RGDXWOMU6X2}

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	2026-05-18T00:59:27.852046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

921de1a20490916533d130ef67329ebe87e21c053cafe82cbd8f6d9e457d6d71

Aliases

arxiv: 1502.04781 · arxiv_version: 1502.04781v3 · doi: 10.48550/arxiv.1502.04781 · pith_short_12: SIO6DIQESCIW · pith_short_16: SIO6DIQESCIWKM6R · pith_short_8: SIO6DIQE

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/SIO6DIQESCIWKM6RGDXWOMU6X2 \
  | 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: 921de1a20490916533d130ef67329ebe87e21c053cafe82cbd8f6d9e457d6d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c288f8637e31c2be5de248e310b90d5cc497ad52e773b0a63a0120bf11889649",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-02-17T02:43:52Z",
    "title_canon_sha256": "a37a1f8b37391baad408850a9a392e78cbec4666e489d4cb0289a5b8a915e54f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04781",
    "kind": "arxiv",
    "version": 3
  }
}