Pith Number

pith:DTAFU2R5

pith:2019:DTAFU2R5SXDC3ZT34DUOFKAADA

not attested not anchored not stored refs pending

On the numerical experiments of the Cauchy problem for semi-linear Klein-Gordon equations in the de Sitter spacetime

Makoto Nakamura, Takuya Tsuchiya

arxiv:1905.08939 v1 · 2019-05-22 · gr-qc · math.NA · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTAFU2R5SXDC3ZT34DUOFKAADA}

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	2026-05-17T23:45:24.803925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cc05a6a3d95c62de67be0e8e2a800183205c8bfbb189d56b73ae8a062f216d4

Aliases

arxiv: 1905.08939 · arxiv_version: 1905.08939v1 · doi: 10.48550/arxiv.1905.08939 · pith_short_12: DTAFU2R5SXDC · pith_short_16: DTAFU2R5SXDC3ZT3 · pith_short_8: DTAFU2R5

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/DTAFU2R5SXDC3ZT34DUOFKAADA \
  | 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: 1cc05a6a3d95c62de67be0e8e2a800183205c8bfbb189d56b73ae8a062f216d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "944bdb0962df87deca029f0a614d537670bd7ea65c2c188117944438ea9ef050",
    "cross_cats_sorted": [
      "math.NA",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-05-22T03:36:58Z",
    "title_canon_sha256": "5098231ecad4d6120d7c8760e52f042bdfa443464fada69c9593120994674c95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08939",
    "kind": "arxiv",
    "version": 1
  }
}