pith. sign in
Pith Number

pith:MH53N2FU

pith:2016:MH53N2FUJJNXCDXRVYSLHGX425
not attested not anchored not stored refs pending

Solution to the Pompeiu problem and the related symmetry problem

A.G.Ramm

arxiv:1606.05976 v2 · 2016-06-20 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MH53N2FUJJNXCDXRVYSLHGX425}

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 2026-05-18T01:09:06.306620Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

61fbb6e8b44a5b710ef1ae24b39afcd76c241cfe071f11b76d000f49be001c66

Aliases

arxiv: 1606.05976 · arxiv_version: 1606.05976v2 · doi: 10.48550/arxiv.1606.05976 · pith_short_12: MH53N2FUJJNX · pith_short_16: MH53N2FUJJNXCDXR · pith_short_8: MH53N2FU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MH53N2FUJJNXCDXRVYSLHGX425 \
  | 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: 61fbb6e8b44a5b710ef1ae24b39afcd76c241cfe071f11b76d000f49be001c66
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f8b3af5035aceed0eb028128c9dae69e30b36c73788fbfe03bc9025469afea4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-06-20T05:31:47Z",
    "title_canon_sha256": "72f709f851694182fff9796018d1e9a5e9fe75c71b6d1233b40a041889daff02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05976",
    "kind": "arxiv",
    "version": 2
  }
}