Pith Number

pith:7IBYSQCZ

pith:2011:7IBYSQCZDBVFOIXUFSRD3D4S7V

not attested not anchored not stored refs pending

An $\varepsilon$-regularity Theorem For The Mean Curvature Flow

Jun Sun, Xiaoli Han

arxiv:1102.4800 v1 · 2011-02-23 · math.DG

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:03:05.951646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa03894059186a5722f42ca23d8f92fd6c8e1816b10177d3a2d62714fb4c9c6b

Aliases

arxiv: 1102.4800 · arxiv_version: 1102.4800v1 · doi: 10.48550/arxiv.1102.4800 · pith_short_12: 7IBYSQCZDBVF · pith_short_16: 7IBYSQCZDBVFOIXU · pith_short_8: 7IBYSQCZ

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/7IBYSQCZDBVFOIXUFSRD3D4S7V \
  | 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: fa03894059186a5722f42ca23d8f92fd6c8e1816b10177d3a2d62714fb4c9c6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fa45dec0b7dcc3e34cf42f0aead329e82813a1dbba63ea6f4753c7dad9c4a10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-02-23T17:12:36Z",
    "title_canon_sha256": "34225f3e65e5410e95c2981412a56e9935c67e6aa7f477c1b74fa496c286dcd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4800",
    "kind": "arxiv",
    "version": 1
  }
}