Pith Number

pith:YUV6UEMD

pith:2010:YUV6UEMDULLFRDN5DABWA7FNRD

not attested not anchored not stored refs pending

The gradient flow of the $L^2$ curvature energy on surfaces

Jeffrey Streets

arxiv:1008.4311 v1 · 2010-08-25 · 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{YUV6UEMDULLFRDN5DABWA7FNRD}

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	2026-05-18T04:41:53.200487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c52bea1183a2d6588dbd1803607cad88c5129636657b081f520f8387edf4bc49

Aliases

arxiv: 1008.4311 · arxiv_version: 1008.4311v1 · doi: 10.48550/arxiv.1008.4311 · pith_short_12: YUV6UEMDULLF · pith_short_16: YUV6UEMDULLFRDN5 · pith_short_8: YUV6UEMD

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/YUV6UEMDULLFRDN5DABWA7FNRD \
  | 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: c52bea1183a2d6588dbd1803607cad88c5129636657b081f520f8387edf4bc49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eea5d5c9c7a244b618797edb54763c29948e2a8a4fbb4c86a257ceb9cbad6ba",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-08-25T16:31:39Z",
    "title_canon_sha256": "ef08e5a22e69cf62d1ca11b20eb2038abc2228a8e4ad48d891cd47704014b0b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4311",
    "kind": "arxiv",
    "version": 1
  }
}