Pith Number

pith:4DOTAIU6

pith:2022:4DOTAIU6RSHMDSQKPNJCRVZGIA

not attested not anchored not stored refs pending

Provable Sample-Efficient Sparse Phase Retrieval Initialized by Truncated Power Method

Jian-Feng Cai, Jingyang Li, Juntao You

arxiv:2210.14628 v2 · 2022-10-26 · 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{4DOTAIU6RSHMDSQKPNJCRVZGIA}

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	2026-07-05T06:22:42.570390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0dd30229e8c8ec1ca0a7b5228d726400de32aa0bcb4250ff233f743c5a441cd

Aliases

arxiv: 2210.14628 · arxiv_version: 2210.14628v2 · doi: 10.48550/arxiv.2210.14628 · pith_short_12: 4DOTAIU6RSHM · pith_short_16: 4DOTAIU6RSHMDSQK · pith_short_8: 4DOTAIU6

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/4DOTAIU6RSHMDSQKPNJCRVZGIA \
  | 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: e0dd30229e8c8ec1ca0a7b5228d726400de32aa0bcb4250ff233f743c5a441cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b2c6a72d1ed77c0984cdb13704e385e7741977ff482d2d2b639bae3336db4f7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-10-26T11:14:17Z",
    "title_canon_sha256": "cbff5f27d52efc80ac8c37a101d5acf94d6403ae80d3b9032cfdaefd11195fb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.14628",
    "kind": "arxiv",
    "version": 2
  }
}