Pith Number

pith:YK2N7UXN

pith:2010:YK2N7UXNUGGDQBHO4LXRTTZQUN

not attested not anchored not stored refs pending

Polyhedral approximations of strictly convex compacta

Du\v{s}an Repov\v{s}, Maxim V. Balashov

arxiv:1010.2320 v1 · 2010-10-12 · math.FA · math.GN · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YK2N7UXNUGGDQBHO4LXRTTZQUN}

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	2026-05-18T04:39:28.264949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2b4dfd2eda18c3804eee2ef19cf30a3540efb6b6e38d2d86799ae6e10bebd01

Aliases

arxiv: 1010.2320 · arxiv_version: 1010.2320v1 · doi: 10.48550/arxiv.1010.2320 · pith_short_12: YK2N7UXNUGGD · pith_short_16: YK2N7UXNUGGDQBHO · pith_short_8: YK2N7UXN

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/YK2N7UXNUGGDQBHO4LXRTTZQUN \
  | 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: c2b4dfd2eda18c3804eee2ef19cf30a3540efb6b6e38d2d86799ae6e10bebd01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbf4cb98a76163a9a8eca232b72d22679f56b6c6ca7488ce809ba7c059465f8c",
    "cross_cats_sorted": [
      "math.GN",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2010-10-12T08:04:39Z",
    "title_canon_sha256": "608dac47c1e8e700dd3abf9e814eb1a104292207d6bf57e01b8d621c376dc740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2320",
    "kind": "arxiv",
    "version": 1
  }
}