Pith Number

pith:MKI3NAP6

pith:2014:MKI3NAP6XUDS3DAASGMVRH7IKQ

not attested not anchored not stored refs pending

Wave equations with mass and dissipation

Jens Wirth, Wanderley Nunes do Nascimento

arxiv:1408.0737 v3 · 2014-08-04 · 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{MKI3NAP6XUDS3DAASGMVRH7IKQ}

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	2026-05-18T02:17:01.229100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6291b681febd072d8c009199589fe85426bb9630c4798e9cc32c56f7fa2a90fe

Aliases

arxiv: 1408.0737 · arxiv_version: 1408.0737v3 · doi: 10.48550/arxiv.1408.0737 · pith_short_12: MKI3NAP6XUDS · pith_short_16: MKI3NAP6XUDS3DAA · pith_short_8: MKI3NAP6

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/MKI3NAP6XUDS3DAASGMVRH7IKQ \
  | 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: 6291b681febd072d8c009199589fe85426bb9630c4798e9cc32c56f7fa2a90fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c04dc3f186ad09863b5ed1c47229610cea833b3c2d17aea69eff6ae392b8195b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-08-04T16:28:39Z",
    "title_canon_sha256": "c7758f2afaca8b22b0274f020574ffd8446f74042320540afc36fed5e7267f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0737",
    "kind": "arxiv",
    "version": 3
  }
}