Pith Number

pith:Q5N3ZUBJ

pith:2015:Q5N3ZUBJWPTQ6LGE5Z5GP4JTGL

not attested not anchored not stored refs pending

PRIME: Phase Retrieval via Majorization-Minimization

Daniel P. Palomar, Prabhu Babu, Tianyu Qiu

arxiv:1511.01669 v2 · 2015-11-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5N3ZUBJWPTQ6LGE5Z5GP4JTGL}

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	2026-05-18T01:08:12.827216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

875bbcd029b3e70f2cc4ee7a67f13332f71888f25f585444cd38d179f89b3cf0

Aliases

arxiv: 1511.01669 · arxiv_version: 1511.01669v2 · doi: 10.48550/arxiv.1511.01669 · pith_short_12: Q5N3ZUBJWPTQ · pith_short_16: Q5N3ZUBJWPTQ6LGE · pith_short_8: Q5N3ZUBJ

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/Q5N3ZUBJWPTQ6LGE5Z5GP4JTGL \
  | 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: 875bbcd029b3e70f2cc4ee7a67f13332f71888f25f585444cd38d179f89b3cf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8efd3c281b96e258a8aeef2cbdf93ea657076fe64d9c56658c08519965e707f6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-05T09:34:23Z",
    "title_canon_sha256": "88691f023e6e33a9c1f9d1cb77c603c4e64cfee6d16bf491055913c1baf1f6ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01669",
    "kind": "arxiv",
    "version": 2
  }
}