Pith Number

pith:AG7D24KC

pith:2020:AG7D24KCHMCWB5MMKMKOBXPHXT

not attested not anchored not stored refs pending

Analysis and algorithms for some compressed sensing models based on L1/L2 minimization

Liaoyuan Zeng, Peiran Yu, Ting Kei Pong

arxiv:2007.12821 v2 · 2020-07-25 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AG7D24KCHMCWB5MMKMKOBXPHXT}

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	2026-07-05T02:14:29.595935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01be3d71423b0560f58c5314e0dde7bcc9c570f2df0ec89cc6d98708f107ed62

Aliases

arxiv: 2007.12821 · arxiv_version: 2007.12821v2 · doi: 10.48550/arxiv.2007.12821 · pith_short_12: AG7D24KCHMCW · pith_short_16: AG7D24KCHMCWB5MM · pith_short_8: AG7D24KC

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/AG7D24KCHMCWB5MMKMKOBXPHXT \
  | 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: 01be3d71423b0560f58c5314e0dde7bcc9c570f2df0ec89cc6d98708f107ed62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1371ef4f220b7bd0894445601fa325cb4e71bcf6bde57d2e04a926ffbec05a01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-07-25T01:19:35Z",
    "title_canon_sha256": "2100581f6494d5f0fc90b66bd4bfe670e837500db7e54777b2f5ca7f84b6fe89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.12821",
    "kind": "arxiv",
    "version": 2
  }
}