Pith Number

pith:SNKPYFVF

pith:2018:SNKPYFVFPMUHJF24UZAYTWVGTE

not attested not anchored not stored refs pending

Logarithmic Decay of a Wave Equation with Kelvin-Voigt Damping

Luc Robbiano (LMV), Qiong Zhang (BIT)

arxiv:1809.03196 v1 · 2018-09-10 · 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{SNKPYFVFPMUHJF24UZAYTWVGTE}

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	2026-05-18T00:06:09.693436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9354fc16a57b2874975ca64189daa6992c5e9837c97b2c8518aea71455f5dd18

Aliases

arxiv: 1809.03196 · arxiv_version: 1809.03196v1 · doi: 10.48550/arxiv.1809.03196 · pith_short_12: SNKPYFVFPMUH · pith_short_16: SNKPYFVFPMUHJF24 · pith_short_8: SNKPYFVF

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/SNKPYFVFPMUHJF24UZAYTWVGTE \
  | 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: 9354fc16a57b2874975ca64189daa6992c5e9837c97b2c8518aea71455f5dd18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbcaeb2edfb5dd1a3b6878d4d5e347ee903f4a885fb34a20d9333babc79d6ff8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-10T09:11:16Z",
    "title_canon_sha256": "74ca73fdc492f4aaeb6da70d24ddfddb1c422f5601179743c43d03085e501487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03196",
    "kind": "arxiv",
    "version": 1
  }
}