Pith Number

pith:SYF5J2WZ

pith:2011:SYF5J2WZSP5ARKWQIVRNG5TG7T

not attested not anchored not stored refs pending

Advanced phase retrieval: maximum likelihood technique with sparse regularization of phase and amplitude

Artem Migukin, Jaakko Astola, Vladimir Katkovnik

arxiv:1108.3251 v1 · 2011-08-15 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SYF5J2WZSP5ARKWQIVRNG5TG7T}

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	2026-05-18T04:15:27.676677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

960bd4ead993fa08aad04562d37666fccebf313c38ac5173c8927431056c886e

Aliases

arxiv: 1108.3251 · arxiv_version: 1108.3251v1 · doi: 10.48550/arxiv.1108.3251 · pith_short_12: SYF5J2WZSP5A · pith_short_16: SYF5J2WZSP5ARKWQ · pith_short_8: SYF5J2WZ

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/SYF5J2WZSP5ARKWQIVRNG5TG7T \
  | 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: 960bd4ead993fa08aad04562d37666fccebf313c38ac5173c8927431056c886e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b66367138ccd65786a5075cd56ecb2af62b9065bbd7e9ace0adad9e8af1fcda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-08-15T09:37:15Z",
    "title_canon_sha256": "f3b7d135cd5c15b6591afb5d1ec845aaf45040f45ec837f69e1c66a1e1b32168"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3251",
    "kind": "arxiv",
    "version": 1
  }
}