Pith Number

pith:UFEKE2K6

pith:2010:UFEKE2K6CVKGCI5BY5NDO7C5K7

not attested not anchored not stored refs pending

Curvature estimates for surfaces with bounded mean curvature

Giuseppe Tinaglia, Theodora Bourni

arxiv:1007.3425 v3 · 2010-07-20 · 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{UFEKE2K6CVKGCI5BY5NDO7C5K7}

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	2026-05-18T04:22:40.347634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a148a2695e15546123a1c75a377c5d57e4fff079e9a5644db026558916a0c466

Aliases

arxiv: 1007.3425 · arxiv_version: 1007.3425v3 · doi: 10.48550/arxiv.1007.3425 · pith_short_12: UFEKE2K6CVKG · pith_short_16: UFEKE2K6CVKGCI5B · pith_short_8: UFEKE2K6

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/UFEKE2K6CVKGCI5BY5NDO7C5K7 \
  | 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: a148a2695e15546123a1c75a377c5d57e4fff079e9a5644db026558916a0c466

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bda32ea7479d06ddd2de711f88b2231d114a192390674e71c7ab79067d3fe9bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-07-20T13:50:33Z",
    "title_canon_sha256": "65a40fc9e66d28346be7a173f53f703caccc275ad1cbaf65cf17424e06905e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3425",
    "kind": "arxiv",
    "version": 3
  }
}