Pith Number

pith:XWI7SA46

pith:2018:XWI7SA464CXEUTBM2WSCJ2SCPK

not attested not anchored not stored refs pending

Decay of approximate solutions for the damped semilinear wave equation on a bounded 1d domain

Debora Amadori, Edda Dal Santo, Fatima Al-Zahr\`a Aqel

arxiv:1807.01968 v3 · 2018-07-05 · 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{XWI7SA464CXEUTBM2WSCJ2SCPK}

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	2026-05-17T23:57:46.750507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd91f9039ee0ae4a4c2cd5a424ea427aa399012b8cdf6f85583aebf913fe712f

Aliases

arxiv: 1807.01968 · arxiv_version: 1807.01968v3 · doi: 10.48550/arxiv.1807.01968 · pith_short_12: XWI7SA464CXE · pith_short_16: XWI7SA464CXEUTBM · pith_short_8: XWI7SA46

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/XWI7SA464CXEUTBM2WSCJ2SCPK \
  | 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: bd91f9039ee0ae4a4c2cd5a424ea427aa399012b8cdf6f85583aebf913fe712f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f42658efa912be13278d6582fca33bd3d16173758b204a59a64f3c130d3543",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-05T12:48:12Z",
    "title_canon_sha256": "05c7e2d8594ebd5bfd4b5f7ce7e304c00799b163d2ac342fedd1d01b3dd9d9cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01968",
    "kind": "arxiv",
    "version": 3
  }
}