Pith Number

pith:5K2K5TKU

pith:2016:5K2K5TKU4MAE5QLVKSD7RJAOCY

not attested not anchored not stored refs pending

On The 2D Phase Retrieval Problem

Dani Kogan, Dan Oron, Yonina C. Eldar

arxiv:1605.08487 v1 · 2016-05-27 · cs.IT · math.IT · 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{5K2K5TKU4MAE5QLVKSD7RJAOCY}

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	2026-05-18T00:54:36.379999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eab4aecd54e3004ec1755487f8a40e1611d3a871969fdf2701156fa3dec05ea0

Aliases

arxiv: 1605.08487 · arxiv_version: 1605.08487v1 · doi: 10.48550/arxiv.1605.08487 · pith_short_12: 5K2K5TKU4MAE · pith_short_16: 5K2K5TKU4MAE5QLV · pith_short_8: 5K2K5TKU

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/5K2K5TKU4MAE5QLVKSD7RJAOCY \
  | 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: eab4aecd54e3004ec1755487f8a40e1611d3a871969fdf2701156fa3dec05ea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6af87b95e41da6efa43a5d5aa4af8230915aac09546febc5ba43cb1831c01c2a",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-27T01:23:46Z",
    "title_canon_sha256": "c5b30a14754c620fbf16fbd4df58fa89b7d53f54d12a6ec8c60d3ee157f6d114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08487",
    "kind": "arxiv",
    "version": 1
  }
}