Pith Number

pith:D7OSUQST

pith:2017:D7OSUQST525H364NQ6RN6SN7ES

not attested not anchored not stored refs pending

On the hidden mechanism behind non-uniqueness for the anisotropic Calder{\'o}n problem with data on disjoint sets

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

arxiv:1701.09056 v2 · 2017-01-31 · math.AP · 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{D7OSUQST525H364NQ6RN6SN7ES}

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	2026-05-18T00:41:37.186196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fdd2a4253eeba7dfb8d87a2df49bf24bd03a5e9140316d38cd6c050200431b5

Aliases

arxiv: 1701.09056 · arxiv_version: 1701.09056v2 · doi: 10.48550/arxiv.1701.09056 · pith_short_12: D7OSUQST525H · pith_short_16: D7OSUQST525H364N · pith_short_8: D7OSUQST

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/D7OSUQST525H364NQ6RN6SN7ES \
  | 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: 1fdd2a4253eeba7dfb8d87a2df49bf24bd03a5e9140316d38cd6c050200431b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "854f3d8f16f7cfafcb26c5b456c55588a93917819e147430019bd736eedcc67e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-31T14:26:12Z",
    "title_canon_sha256": "8cad7577f037944b7c16a8665b7c6e32fda6b46591d4796649925917f3e0c469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.09056",
    "kind": "arxiv",
    "version": 2
  }
}