Pith Number

pith:3WFZKV7M

pith:2009:3WFZKV7MK6A72RCZDKQFF6NREK

not attested not anchored not stored refs pending

On the convergence of greedy algorithms for initial segments of the Haar basis

A. Zsak, E. Odell, S.J. Dilworth, Th. Schlumprecht

arxiv:0905.3036 v1 · 2009-05-19 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WFZKV7MK6A72RCZDKQFF6NREK}

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	2026-05-18T02:13:38.740116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd8b9557ec5781fd44591aa052f9b12292d4d72b98d6d09bab5b611d04d41a9a

Aliases

arxiv: 0905.3036 · arxiv_version: 0905.3036v1 · doi: 10.48550/arxiv.0905.3036 · pith_short_12: 3WFZKV7MK6A7 · pith_short_16: 3WFZKV7MK6A72RCZ · pith_short_8: 3WFZKV7M

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/3WFZKV7MK6A72RCZDKQFF6NREK \
  | 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: dd8b9557ec5781fd44591aa052f9b12292d4d72b98d6d09bab5b611d04d41a9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da39af1d764d41f1f2f3e0a22ff6a2cfa57e9688f29835e8e0414ddf11901869",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2009-05-19T07:29:41Z",
    "title_canon_sha256": "b422bb5706761981beb32032075553811a3df684cde57d08829670557683fe11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3036",
    "kind": "arxiv",
    "version": 1
  }
}