Pith Number

pith:D5WA2HO7

pith:2011:D5WA2HO76PTICEWO3H6LCYRFDE

not attested not anchored not stored refs pending

New global stability estimates for the Calder\'on problem in two dimensions

Matteo Santacesaria (CMAP)

arxiv:1110.0335 v2 · 2011-10-03 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5WA2HO76PTICEWO3H6LCYRFDE}

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	2026-05-18T03:00:01.347108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f6c0d1ddff3e68112ced9fcb16225192a3ddbde980b419ac9473ab4e5414df6

Aliases

arxiv: 1110.0335 · arxiv_version: 1110.0335v2 · doi: 10.48550/arxiv.1110.0335 · pith_short_12: D5WA2HO76PTI · pith_short_16: D5WA2HO76PTICEWO · pith_short_8: D5WA2HO7

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/D5WA2HO76PTICEWO3H6LCYRFDE \
  | 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: 1f6c0d1ddff3e68112ced9fcb16225192a3ddbde980b419ac9473ab4e5414df6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d087d1e76eb2599fafe36ad21a20637fd02a3b1bc6b3dc1e74d796791360d3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-10-03T12:09:54Z",
    "title_canon_sha256": "3553bbec1b9eca8e5c6cb5666afbbc1c1920cdb5ee74dacf84978df2b4ac13c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0335",
    "kind": "arxiv",
    "version": 2
  }
}