Pith Number

pith:NTQLXRIJ

pith:2021:NTQLXRIJOCEAJ26LFCK2WCZZ55

not attested not anchored not stored refs pending

Inhomogeneous wave equation with $t$-dependent singular coefficients

Claudia Garetto, Costas Loizou, Marci Discacciati

arxiv:2111.11149 v1 · 2021-11-22 · 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{NTQLXRIJOCEAJ26LFCK2WCZZ55}

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	2026-07-05T03:34:00.327174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ce0bbc509708804ebcb2895ab0b39ef6947a9da96a924eda4aa51e0c1e90741

Aliases

arxiv: 2111.11149 · arxiv_version: 2111.11149v1 · doi: 10.48550/arxiv.2111.11149 · pith_short_12: NTQLXRIJOCEA · pith_short_16: NTQLXRIJOCEAJ26L · pith_short_8: NTQLXRIJ

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/NTQLXRIJOCEAJ26LFCK2WCZZ55 \
  | 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: 6ce0bbc509708804ebcb2895ab0b39ef6947a9da96a924eda4aa51e0c1e90741

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feaee3133fe339c115c43442725293839148d59d76d3bbf405e87b641d9df3ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2021-11-22T12:22:35Z",
    "title_canon_sha256": "fc55c37108248caaa6424638da69b7bd79fb70b86b3e7e604ab1bb968092ef9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11149",
    "kind": "arxiv",
    "version": 1
  }
}