Pith Number

pith:I6HI7IDW

pith:2010:I6HI7IDWI2KRP5YDGVAKLSOEI5

not attested not anchored not stored refs pending

Convex Multivariate Approximation by Algebras of Continuous Functions

Andriy Bondarenko, Andriy Prymak

arxiv:1011.3478 v1 · 2010-11-15 · 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{I6HI7IDWI2KRP5YDGVAKLSOEI5}

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	2026-05-18T04:35:55.763159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

478e8fa076469517f7033540a5c9c44761d6ae90ab020e5ffb65fa97d5e3737b

Aliases

arxiv: 1011.3478 · arxiv_version: 1011.3478v1 · doi: 10.48550/arxiv.1011.3478 · pith_short_12: I6HI7IDWI2KR · pith_short_16: I6HI7IDWI2KRP5YD · pith_short_8: I6HI7IDW

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/I6HI7IDWI2KRP5YDGVAKLSOEI5 \
  | 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: 478e8fa076469517f7033540a5c9c44761d6ae90ab020e5ffb65fa97d5e3737b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93da745564751195eceea7c9ec21057c184f71dbea587b465673d21e9260fd23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2010-11-15T19:06:22Z",
    "title_canon_sha256": "ea643ebc2204cb80e2b183e5de3a15b71c63713eb0da7954938e1185635de4a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3478",
    "kind": "arxiv",
    "version": 1
  }
}