Pith Number

pith:DIWPDY5A

pith:2014:DIWPDY5ALTPQPJ4JBN7B4E4E2O

not attested not anchored not stored refs pending

Tightness of the maximum likelihood semidefinite relaxation for angular synchronization

Afonso S. Bandeira, Amit Singer, Nicolas Boumal

arxiv:1411.3272 v3 · 2014-11-12 · 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{DIWPDY5ALTPQPJ4JBN7B4E4E2O}

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	2026-05-18T01:09:11.977798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a2cf1e3a05cdf07a7890b7e1e1384d382530946fb5a22d2ca7824e497723a05

Aliases

arxiv: 1411.3272 · arxiv_version: 1411.3272v3 · doi: 10.48550/arxiv.1411.3272 · pith_short_12: DIWPDY5ALTPQ · pith_short_16: DIWPDY5ALTPQPJ4J · pith_short_8: DIWPDY5A

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/DIWPDY5ALTPQPJ4JBN7B4E4E2O \
  | 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: 1a2cf1e3a05cdf07a7890b7e1e1384d382530946fb5a22d2ca7824e497723a05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be79928edfab78e8aec4710d8a4a8042079e15bd733dbf99cad7ea2295f72b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-11-12T18:29:18Z",
    "title_canon_sha256": "6017a8d62c75492da785d8bd859185f68fda2a29c99c60fe7cc029a7119c86ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3272",
    "kind": "arxiv",
    "version": 3
  }
}