Pith Number

pith:UJS7SCI2

pith:2019:UJS7SCI2NMQZH7XIPIHQ4TJEVF

not attested not anchored not stored refs pending

Remarks on decay effects of regularity loss type wave equations with structural damping terms

Hironori Michihisa

arxiv:1904.03686 v1 · 2019-04-07 · 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{UJS7SCI2NMQZH7XIPIHQ4TJEVF}

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	2026-05-17T23:49:12.529130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a265f9091a6b2193fee87a0f0e4d24a949e968f789301036aa8faa239f6428d4

Aliases

arxiv: 1904.03686 · arxiv_version: 1904.03686v1 · doi: 10.48550/arxiv.1904.03686 · pith_short_12: UJS7SCI2NMQZ · pith_short_16: UJS7SCI2NMQZH7XI · pith_short_8: UJS7SCI2

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/UJS7SCI2NMQZH7XIPIHQ4TJEVF \
  | 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: a265f9091a6b2193fee87a0f0e4d24a949e968f789301036aa8faa239f6428d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc50cb31c1e05769bd79b1145d84fdbba0b7b8c13cbe74729b712b9df8a13c2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-04-07T16:43:15Z",
    "title_canon_sha256": "9112478f07f795df6f14ea8f4350b0ac18ccfc388353dee48c203cc3f2b93bf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03686",
    "kind": "arxiv",
    "version": 1
  }
}