Pith Number

pith:VX5PO3ZQ

pith:2011:VX5PO3ZQHSOM6SRH3IU7ZL3PYM

not attested not anchored not stored refs pending

A Minimal Value Problem and the Prescribed $\sigma_2$ Curvature Measure Problem

Chuanqiang Chen

arxiv:1104.4283 v2 · 2011-04-21 · 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{VX5PO3ZQHSOM6SRH3IU7ZL3PYM}

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	2026-05-18T04:23:33.937655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adfaf76f303c9ccf4a27da29fcaf6fc328ad941fa1b888b2e6658598bb03105c

Aliases

arxiv: 1104.4283 · arxiv_version: 1104.4283v2 · doi: 10.48550/arxiv.1104.4283 · pith_short_12: VX5PO3ZQHSOM · pith_short_16: VX5PO3ZQHSOM6SRH · pith_short_8: VX5PO3ZQ

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/VX5PO3ZQHSOM6SRH3IU7ZL3PYM \
  | 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: adfaf76f303c9ccf4a27da29fcaf6fc328ad941fa1b888b2e6658598bb03105c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad3f3fa3e999492816c1a41c6a4e7be3fcb83930a2455bbc277e18740cd87616",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-04-21T15:06:53Z",
    "title_canon_sha256": "d6cbc9c6312be475e9f63521748ee3ac73f79badcdbb13db080bab59b0ff399d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4283",
    "kind": "arxiv",
    "version": 2
  }
}