Pith Number

pith:SY37JRHX

pith:2011:SY37JRHXGP77Q2PBPMV7S6FKS4

not attested not anchored not stored refs pending

A comparison theorem for the isoperimetric profile under curve shortening flow

Ben Andrews, Paul Bryan

arxiv:1104.0759 v1 · 2011-04-05 · 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{SY37JRHXGP77Q2PBPMV7S6FKS4}

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	2026-05-18T02:22:11.040965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9637f4c4f733fff869e17b2bf978aa9709c9ed93e31d820c0c85c2c2346f10f5

Aliases

arxiv: 1104.0759 · arxiv_version: 1104.0759v1 · doi: 10.48550/arxiv.1104.0759 · pith_short_12: SY37JRHXGP77 · pith_short_16: SY37JRHXGP77Q2PB · pith_short_8: SY37JRHX

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/SY37JRHXGP77Q2PBPMV7S6FKS4 \
  | 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: 9637f4c4f733fff869e17b2bf978aa9709c9ed93e31d820c0c85c2c2346f10f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d9ddfaa0a1d99645ccad694ccdcaba8e133144dbaecbcd17ffd289f05f1bcad",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-04-05T08:01:21Z",
    "title_canon_sha256": "1cb3dc5b53e72485ac4bfa81ee4d7ce8cd257efdf8d7a5452978566f5569bc7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0759",
    "kind": "arxiv",
    "version": 1
  }
}