Pith Number

pith:MYT3MPYW

pith:2013:MYT3MPYW3TQDDBURU4EGRC24O7

not attested not anchored not stored refs pending

Phase retrieval for imaging problems

Alexandre d'Aspremont, Fajwel Fogel, Ir\`ene Waldspurger

arxiv:1304.7735 v2 · 2013-04-29 · 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{MYT3MPYW3TQDDBURU4EGRC24O7}

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	2026-05-18T02:54:39.627899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6627b63f16dce0318691a708688b5c77cbb91923bc1952d824ad8d520ff47278

Aliases

arxiv: 1304.7735 · arxiv_version: 1304.7735v2 · doi: 10.48550/arxiv.1304.7735 · pith_short_12: MYT3MPYW3TQD · pith_short_16: MYT3MPYW3TQDDBUR · pith_short_8: MYT3MPYW

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/MYT3MPYW3TQDDBURU4EGRC24O7 \
  | 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: 6627b63f16dce0318691a708688b5c77cbb91923bc1952d824ad8d520ff47278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d584c56cc1696c52beb616001975cc976ea5e7117517cbe1b9d041733d0007ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-04-29T18:33:43Z",
    "title_canon_sha256": "e1d9865788ff4b04ce7cec409be6b07fd1823d52a77d261ef7fe76082d705509"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7735",
    "kind": "arxiv",
    "version": 2
  }
}