Pith Number

pith:IEOKFNYB

pith:2016:IEOKFNYBW77K2UORLFLWZT7HZA

not attested not anchored not stored refs pending

Frame-based Approach for Sparse Representation of Signal Decomposition and Reconstruction

Wen-Liang Hwang

arxiv:1603.09492 v2 · 2016-03-31 · math.OC · 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{IEOKFNYBW77K2UORLFLWZT7HZA}

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	2026-05-18T00:46:53.688689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

411ca2b701b7fead51d159576ccfe7c82d5d6c94218f82acbce9ea00f3b061cf

Aliases

arxiv: 1603.09492 · arxiv_version: 1603.09492v2 · doi: 10.48550/arxiv.1603.09492 · pith_short_12: IEOKFNYBW77K · pith_short_16: IEOKFNYBW77K2UOR · pith_short_8: IEOKFNYB

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/IEOKFNYBW77K2UORLFLWZT7HZA \
  | 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: 411ca2b701b7fead51d159576ccfe7c82d5d6c94218f82acbce9ea00f3b061cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35a4134c1dc701d156b01bb51b1b264fb696d3d014d6126ad0301a3f6534f22e",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-03-31T08:55:45Z",
    "title_canon_sha256": "727ad6480e7c0d590443663ec2a4d27349a832ab8b5b5737c486fbee3cdcc130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09492",
    "kind": "arxiv",
    "version": 2
  }
}