Pith Number

pith:H4253QZX

pith:2013:H4253QZXIAVDMUY7KNBORWO336

not attested not anchored not stored refs pending

A well-posedness result for hyperbolic operators with Zygmund coefficients

Daniele Del Santo, Ferruccio Colombini, Francesco Fanelli, Guy M\'etivier

arxiv:1305.1292 v1 · 2013-05-06 · 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{H4253QZXIAVDMUY7KNBORWO336}

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	2026-05-18T03:12:59.867123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f35ddc337402a36531f5342e8d9dbdf86186ceb34f6cbf06a1b6653b8e2769d

Aliases

arxiv: 1305.1292 · arxiv_version: 1305.1292v1 · doi: 10.48550/arxiv.1305.1292 · pith_short_12: H4253QZXIAVD · pith_short_16: H4253QZXIAVDMUY7 · pith_short_8: H4253QZX

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/H4253QZXIAVDMUY7KNBORWO336 \
  | 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: 3f35ddc337402a36531f5342e8d9dbdf86186ceb34f6cbf06a1b6653b8e2769d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "331e786d93ebcc3842e93c13cee0cec7d68a72a0d9bb5c6f69642a87e77c00a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-05-06T06:51:26Z",
    "title_canon_sha256": "c052012937524689907f2f237d8b85302d3f01e59d018b5e694d6ded07377bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1292",
    "kind": "arxiv",
    "version": 1
  }
}