Pith Number

pith:GLKXRARG

pith:2011:GLKXRARGQK4Q5MWCGWTECB3ZLI

not attested not anchored not stored refs pending

Introducing the Adaptive Convex Enveloping

Enrique Campos-Nanez, Sheng Yu

arxiv:1111.2658 v1 · 2011-11-11 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GLKXRARGQK4Q5MWCGWTECB3ZLI}

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	2026-05-18T04:08:33.048056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32d578822682b90eb2c235a64107795a29d68eba1a9be784680eb07a17c1b705

Aliases

arxiv: 1111.2658 · arxiv_version: 1111.2658v1 · doi: 10.48550/arxiv.1111.2658 · pith_short_12: GLKXRARGQK4Q · pith_short_16: GLKXRARGQK4Q5MWC · pith_short_8: GLKXRARG

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/GLKXRARGQK4Q5MWCGWTECB3ZLI \
  | 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: 32d578822682b90eb2c235a64107795a29d68eba1a9be784680eb07a17c1b705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "016fcdfa90c661af5b440084026099412318da2e145709f3e55a48c15d71dc97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-11-11T04:11:37Z",
    "title_canon_sha256": "7e3c388b759229dddbc4b8896ef4e262b5ee9bcc549745461c366b91145f720d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2658",
    "kind": "arxiv",
    "version": 1
  }
}