Pith Number

pith:XUJYNHBO

pith:2015:XUJYNHBOFJP7VDIQF4LPY4JTAK

not attested not anchored not stored refs pending

A "milder" version of Calder\'on's inverse problem for anisotropic conductivities and partial data

El Maati Ouhabaz (IMB)

arxiv:1501.07364 v2 · 2015-01-29 · math.AP · 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{XUJYNHBOFJP7VDIQF4LPY4JTAK}

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	2026-05-18T01:17:12.881558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd13869c2e2a5ffa8d102f16fc713302a36a3ec4a8460736fbb542e743d0845c

Aliases

arxiv: 1501.07364 · arxiv_version: 1501.07364v2 · doi: 10.48550/arxiv.1501.07364 · pith_short_12: XUJYNHBOFJP7 · pith_short_16: XUJYNHBOFJP7VDIQ · pith_short_8: XUJYNHBO

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/XUJYNHBOFJP7VDIQF4LPY4JTAK \
  | 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: bd13869c2e2a5ffa8d102f16fc713302a36a3ec4a8460736fbb542e743d0845c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a079a33fdc93b4b40e38d790e4167706ef40bde188692eca772ededb99b65ab1",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-01-29T07:47:07Z",
    "title_canon_sha256": "f74df2718038918df50cbbbdd57d845d9e16e66cea96f75f2b8e5c057fe53f05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07364",
    "kind": "arxiv",
    "version": 2
  }
}