Pith Number

pith:6RFLLMSH

pith:2008:6RFLLMSH3GF66GQBKQTR6JRL3V

not attested not anchored not stored refs pending

Limiting Carleman weights and anisotropic inverse problems

C. E. Kenig, D. Dos Santos Ferreira, G. Uhlmann, M. Salo

arxiv:0803.3508 v1 · 2008-03-25 · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6RFLLMSH3GF66GQBKQTR6JRL3V}

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	2026-05-18T02:15:59.847969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f44ab5b247d98bef1a0154271f262bdd7b6887d559eb2f1d5107a3f509ffb8af

Aliases

arxiv: 0803.3508 · arxiv_version: 0803.3508v1 · doi: 10.48550/arxiv.0803.3508 · pith_short_12: 6RFLLMSH3GF6 · pith_short_16: 6RFLLMSH3GF66GQB · pith_short_8: 6RFLLMSH

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/6RFLLMSH3GF66GQBKQTR6JRL3V \
  | 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: f44ab5b247d98bef1a0154271f262bdd7b6887d559eb2f1d5107a3f509ffb8af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa69ddf4af834f58283f8e1cb65d89bc92f7a7f76ae4c101f977e9eb7efb59b1",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2008-03-25T08:47:58Z",
    "title_canon_sha256": "47b84c27466feb96402cb4e1e7c716ab0db00df229474e84825e3efd8c7139da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3508",
    "kind": "arxiv",
    "version": 1
  }
}