Pith Number

pith:IW4IHJ74

pith:2013:IW4IHJ74X6TGBPLSDUXTWU5PWP

not attested not anchored not stored refs pending

On diffusion phenomena for the linear wave equation with space-dependent damping

Yuta Wakasugi

arxiv:1309.3377 v1 · 2013-09-13 · 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{IW4IHJ74X6TGBPLSDUXTWU5PWP}

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	2026-05-18T01:35:05.284138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b883a7fcbfa660bd721d2f3b53afb3ea4734df19ff624dc85b2cfce06c8ddd

Aliases

arxiv: 1309.3377 · arxiv_version: 1309.3377v1 · doi: 10.48550/arxiv.1309.3377 · pith_short_12: IW4IHJ74X6TG · pith_short_16: IW4IHJ74X6TGBPLS · pith_short_8: IW4IHJ74

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/IW4IHJ74X6TGBPLSDUXTWU5PWP \
  | 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: 45b883a7fcbfa660bd721d2f3b53afb3ea4734df19ff624dc85b2cfce06c8ddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab8ac1bfde1d7eb703f5a36f84d717a092415c39fff9262ef4a245f2ae713b1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-09-13T06:45:09Z",
    "title_canon_sha256": "ed376400eb2793afdba382e3ef2d3e33f25167cb85f3e6f65d81adf2598b4d76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3377",
    "kind": "arxiv",
    "version": 1
  }
}