Pith Number

pith:IZ6W6OPB

pith:2016:IZ6W6OPBCBIXYFOM6GATIWCZUF

not attested not anchored not stored refs pending

Stable determination outside a cloaking region of two time-dependent coefficients in an hyperbolic equation from Dirichlet to Neumann map

Ibtissem Ben Aicha, Mourad Bellassoued

arxiv:1605.03466 v1 · 2016-05-11 · 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{IZ6W6OPBCBIXYFOM6GATIWCZUF}

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	2026-05-17T23:47:36.625742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

467d6f39e110517c15ccf181345859a15eac2ce756d5a43e5929d7baff723033

Aliases

arxiv: 1605.03466 · arxiv_version: 1605.03466v1 · doi: 10.48550/arxiv.1605.03466 · pith_short_12: IZ6W6OPBCBIX · pith_short_16: IZ6W6OPBCBIXYFOM · pith_short_8: IZ6W6OPB

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/IZ6W6OPBCBIXYFOM6GATIWCZUF \
  | 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: 467d6f39e110517c15ccf181345859a15eac2ce756d5a43e5929d7baff723033

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c46b6afd4c54dc76bb35933ee45ac8ca7d74d2a6438debcd56a81cd10279adc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-05-11T14:50:05Z",
    "title_canon_sha256": "7981c0fdfe3b188d8ad442aa8d4a9d5dc48e8cbc5f36439a611df092a5aed450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03466",
    "kind": "arxiv",
    "version": 1
  }
}