Pith Number

pith:EKLHHY3H

pith:2017:EKLHHY3HNDSG5LAQOL6D4SI4PI

not attested not anchored not stored refs pending

Optimal stability for a first order coefficient in a non-self-adjoint wave equation from dirichlet-to-neumann map

Ibtissem Ben A\"icha (LAMSIN), Mourad Bellassoued (LAMSIN)

arxiv:1704.01443 v1 · 2017-04-05 · 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{EKLHHY3HNDSG5LAQOL6D4SI4PI}

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	2026-05-18T00:33:18.921721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

229673e36768e46eac1072fc3e491c7a1841fbb8090f7cccb0052b95f6dade53

Aliases

arxiv: 1704.01443 · arxiv_version: 1704.01443v1 · doi: 10.48550/arxiv.1704.01443 · pith_short_12: EKLHHY3HNDSG · pith_short_16: EKLHHY3HNDSG5LAQ · pith_short_8: EKLHHY3H

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/EKLHHY3HNDSG5LAQOL6D4SI4PI \
  | 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: 229673e36768e46eac1072fc3e491c7a1841fbb8090f7cccb0052b95f6dade53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5a98b536686573fa250bbda1ffa864d71d748e360c6309d9fd0df643ce71a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-05T14:19:17Z",
    "title_canon_sha256": "e63dbbd4f81a28559c840c42dc71902cd80ca499c6408274dc9f0cee5c167d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01443",
    "kind": "arxiv",
    "version": 1
  }
}