Pith Number

pith:AGKNU5OK

pith:2011:AGKNU5OKLVCITANXO5YOA4IHEW

not attested not anchored not stored refs pending

Non-collapsing in mean-convex mean curvature flow

Ben Andrews

arxiv:1108.0247 v1 · 2011-08-01 · 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{AGKNU5OKLVCITANXO5YOA4IHEW}

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	2026-05-18T04:16:31.417621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0194da75ca5d448981b77770e071072583bbba3816f776d46e8e840d22b71579

Aliases

arxiv: 1108.0247 · arxiv_version: 1108.0247v1 · doi: 10.48550/arxiv.1108.0247 · pith_short_12: AGKNU5OKLVCI · pith_short_16: AGKNU5OKLVCITANX · pith_short_8: AGKNU5OK

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/AGKNU5OKLVCITANXO5YOA4IHEW \
  | 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: 0194da75ca5d448981b77770e071072583bbba3816f776d46e8e840d22b71579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5873910b7f76a186fe274b08a095075845e25a1a536362c7cbdac5eda0965722",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-08-01T06:40:16Z",
    "title_canon_sha256": "5d5b71fd8be1d2888ebbbe1a74894bacb0b5f5abcef5d2a405e90360a9b5bb7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0247",
    "kind": "arxiv",
    "version": 1
  }
}