pith. sign in
Pith Number

pith:HLWVTP4Q

pith:2018:HLWVTP4QGTH26TQIF5RH667WLO
not attested not anchored not stored refs pending

Blind Ptychography by Douglas-Rachford Splitting

A. Fannjiang, Z. Zhang

arxiv:1809.00962 v3 · 2018-08-26 · cs.CV · eess.IV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HLWVTP4QGTH26TQIF5RH667WLO}

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 2026-05-18T00:01:57.922667Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3aed59bf9034cfaf4e082f627f7bf65b8bfeb05b9638ddb4c452550e9e21ffc3

Aliases

arxiv: 1809.00962 · arxiv_version: 1809.00962v3 · doi: 10.48550/arxiv.1809.00962 · pith_short_12: HLWVTP4QGTH2 · pith_short_16: HLWVTP4QGTH26TQI · pith_short_8: HLWVTP4Q
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HLWVTP4QGTH26TQIF5RH667WLO \
  | 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: 3aed59bf9034cfaf4e082f627f7bf65b8bfeb05b9638ddb4c452550e9e21ffc3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "df186a0d6d1fe86dbc1578febe0fe355b49639161e4f7b819cb1810cab5606b0",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-26T07:51:43Z",
    "title_canon_sha256": "c370b10e1546db871f83d630a738ee5b9b2f8a86c7c0634be305b7618411efb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00962",
    "kind": "arxiv",
    "version": 3
  }
}