Pith Number

pith:HM2RW2CR

pith:2017:HM2RW2CRAVVH6DP5UEBBAAN3BK

not attested not anchored not stored refs pending

Inverse Observability Inequalities for Integrodifferential Equations in Square Domains

Daniela Sforza, Paola Loreti

arxiv:1704.02171 v1 · 2017-04-07 · 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{HM2RW2CRAVVH6DP5UEBBAAN3BK}

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	2026-05-18T00:46:50.541223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b351b6851056a7f0dfda1021001bb0aa21da9b5c6c3bb9b4c6f7f5d12a38d18

Aliases

arxiv: 1704.02171 · arxiv_version: 1704.02171v1 · doi: 10.48550/arxiv.1704.02171 · pith_short_12: HM2RW2CRAVVH · pith_short_16: HM2RW2CRAVVH6DP5 · pith_short_8: HM2RW2CR

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/HM2RW2CRAVVH6DP5UEBBAAN3BK \
  | 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: 3b351b6851056a7f0dfda1021001bb0aa21da9b5c6c3bb9b4c6f7f5d12a38d18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dad0284101fb9596381cca01e0ad5c31f8a9c6e87e71acdef00901386b6cc5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-07T10:30:05Z",
    "title_canon_sha256": "11e204ce178e7c3991a660525426afaa9b63f33a12a8e8f11abba445313d600d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02171",
    "kind": "arxiv",
    "version": 1
  }
}