Pith Number

pith:O2253U3K

pith:2016:O2253U3KDNQ5FJBU3CW37JSFPH

not attested not anchored not stored refs pending

Strictly Hyperbolic Equations with Coefficients Low-Regular in Time and Smooth in Space

Daniel Lorenz, Massimo Cicognani

arxiv:1611.09548 v2 · 2016-11-29 · 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{O2253U3KDNQ5FJBU3CW37JSFPH}

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	2026-05-18T00:56:11.665100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b5ddd36a1b61d2a434d8adbfa64579f1eeeb2258fa54d4332b5371e4da5e46

Aliases

arxiv: 1611.09548 · arxiv_version: 1611.09548v2 · doi: 10.48550/arxiv.1611.09548 · pith_short_12: O2253U3KDNQ5 · pith_short_16: O2253U3KDNQ5FJBU · pith_short_8: O2253U3K

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/O2253U3KDNQ5FJBU3CW37JSFPH \
  | 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: 76b5ddd36a1b61d2a434d8adbfa64579f1eeeb2258fa54d4332b5371e4da5e46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42dc775a2fa24a8aa7efb0ca55c35f762d0c6b58a0e24d985274d26e110cae6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-11-29T10:14:58Z",
    "title_canon_sha256": "5c830a5dfc2abaf1727fe9172d741667be8b289c0dd5d25c64b3fc0d17629cf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.09548",
    "kind": "arxiv",
    "version": 2
  }
}