Pith Number

pith:UJV2VPNP

pith:2018:UJV2VPNPTWHWR236AMMUKXGIU2

not attested not anchored not stored refs pending

A global existence result for a semilinear wave equation with scale-invariant damping and mass in even space dimension

Alessandro Palmieri

arxiv:1804.03978 v1 · 2018-04-11 · 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{UJV2VPNPTWHWR236AMMUKXGIU2}

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	2026-05-17T23:51:26.126068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a26baabdaf9d8f68eb7e0319455cc8a699aa6c907f9c64097e421b1a6d91862d

Aliases

arxiv: 1804.03978 · arxiv_version: 1804.03978v1 · doi: 10.48550/arxiv.1804.03978 · pith_short_12: UJV2VPNPTWHW · pith_short_16: UJV2VPNPTWHWR236 · pith_short_8: UJV2VPNP

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/UJV2VPNPTWHWR236AMMUKXGIU2 \
  | 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: a26baabdaf9d8f68eb7e0319455cc8a699aa6c907f9c64097e421b1a6d91862d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d39b4babda86f66298891d6eafefb8e7ca047209fcde27ad27d71a5330c852",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-04-11T13:37:51Z",
    "title_canon_sha256": "ced0f15314efdd0f6ae6174ee37bf898313b46de2016693f35f925caefd5a97b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03978",
    "kind": "arxiv",
    "version": 1
  }
}