Pith Number

pith:VH42YNED

pith:2011:VH42YNED2C6H3MPITYB5L73IN7

not attested not anchored not stored refs pending

Generalized Orthogonal Matching Pursuit

Byonghyo Shim, Jian Wang, Seokbeop Kwon

arxiv:1111.6664 v2 · 2011-11-29 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VH42YNED2C6H3MPITYB5L73IN7}

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	2026-05-18T02:55:18.782541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f9ac3483d0bc7db1e89e03d5ff686ff87b74ef45252f21d2ac0cf3edc538ec

Aliases

arxiv: 1111.6664 · arxiv_version: 1111.6664v2 · doi: 10.48550/arxiv.1111.6664 · pith_short_12: VH42YNED2C6H · pith_short_16: VH42YNED2C6H3MPI · pith_short_8: VH42YNED

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/VH42YNED2C6H3MPITYB5L73IN7 \
  | 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: a9f9ac3483d0bc7db1e89e03d5ff686ff87b74ef45252f21d2ac0cf3edc538ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e22f74ac517153ba96c3c5de26d9c4375bd9cd9774fefc81fabdb59923953f39",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-11-29T01:49:50Z",
    "title_canon_sha256": "de0a3be0b00798fb8d2e40c4f0d3efb709d1aff1a09482ef14030840bfb78418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6664",
    "kind": "arxiv",
    "version": 2
  }
}