Pith Number

pith:2UO4HTTF

pith:2013:2UO4HTTFIOCKEKVZER5AIID4F4

not attested not anchored not stored refs pending

Normal property, Jamenson property, CHIP and linear regularity for an infinite system of convex sets in Banach spaces

Qinghai He, Zhou Wei

arxiv:1308.2520 v1 · 2013-08-12 · math.OC · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2UO4HTTFIOCKEKVZER5AIID4F4}

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	2026-05-18T00:48:55.449821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d51dc3ce654384a22ab9247a04207c2f2a268ba54fec3b2130eb9dc947d4eaa1

Aliases

arxiv: 1308.2520 · arxiv_version: 1308.2520v1 · doi: 10.48550/arxiv.1308.2520 · pith_short_12: 2UO4HTTFIOCK · pith_short_16: 2UO4HTTFIOCKEKVZ · pith_short_8: 2UO4HTTF

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/2UO4HTTFIOCKEKVZER5AIID4F4 \
  | 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: d51dc3ce654384a22ab9247a04207c2f2a268ba54fec3b2130eb9dc947d4eaa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cbaaca0c7caef440203d1444fd8cc9c68a0e221859edc97ba2e123dafdcf818",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-08-12T11:04:40Z",
    "title_canon_sha256": "64d6954a0a84fae77d967893027a5ebe8eb55ce17df29d840c40854fc0559a59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2520",
    "kind": "arxiv",
    "version": 1
  }
}