Pith Number

pith:6NY4Z6UM

pith:2015:6NY4Z6UMORBWPCGN5X2K4OK62G

not attested not anchored not stored refs pending

Non-uniqueness results for the anisotropic Calderon problem with data measured on disjoint sets

Francois Nicoleau (LMJL), Niky Kamran, Thierry Daud\'e

arxiv:1510.06559 v1 · 2015-10-22 · math-ph · math.MP · math.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NY4Z6UMORBWPCGN5X2K4OK62G}

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	2026-05-18T01:29:30.627148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f371ccfa8c74436788cdedf4ae395ed185f2fcf6fd54ba84a797e7908caaf2f7

Aliases

arxiv: 1510.06559 · arxiv_version: 1510.06559v1 · doi: 10.48550/arxiv.1510.06559 · pith_short_12: 6NY4Z6UMORBW · pith_short_16: 6NY4Z6UMORBWPCGN · pith_short_8: 6NY4Z6UM

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/6NY4Z6UMORBWPCGN5X2K4OK62G \
  | 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: f371ccfa8c74436788cdedf4ae395ed185f2fcf6fd54ba84a797e7908caaf2f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec41dd1b0baece815b06df2040b5352b5360fea82c0d0c90a446519c7a494d6a",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-10-22T09:50:50Z",
    "title_canon_sha256": "7dfb1e0718861afe8aa577884fa5e3c7fc610a9bcf94f4f8edd6eb430641ddd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06559",
    "kind": "arxiv",
    "version": 1
  }
}