Pith Number

pith:U5UXO5KH

pith:2009:U5UXO5KHDVC46F7ACA27H6LY43

not attested not anchored not stored refs pending

h-Principle and Rigidity for $C^{1,\alpha}$ Isometric Embeddings

Camillo De Lellis, L\'aszl\'o Sz\'ekelyhidi Jr, Sergio Conti

arxiv:0905.0370 v1 · 2009-05-04 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5UXO5KHDVC46F7ACA27H6LY43}

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	2026-05-18T00:17:20.351501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7697775471d45cf17e01035f3f978e6daaf6922c00e806049e90bba90db6f58

Aliases

arxiv: 0905.0370 · arxiv_version: 0905.0370v1 · doi: 10.48550/arxiv.0905.0370 · pith_short_12: U5UXO5KHDVC4 · pith_short_16: U5UXO5KHDVC46F7A · pith_short_8: U5UXO5KH

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/U5UXO5KHDVC46F7ACA27H6LY43 \
  | 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: a7697775471d45cf17e01035f3f978e6daaf6922c00e806049e90bba90db6f58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75836733bf2143ded97e6111dbe26206277face9b4a5db59eacc9862ef27a15d",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-05-04T12:36:17Z",
    "title_canon_sha256": "59b4cc8dfbb0c6efd2d1be7836753e60799369856ae3c249fb20e9d602e3656c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0370",
    "kind": "arxiv",
    "version": 1
  }
}