Pith Number

pith:RRR2WY33

pith:2013:RRR2WY33YCCWJZC5VTOJMM3QOG

not attested not anchored not stored refs pending

Near-optimal phase retrieval of sparse vectors

Afonso S. Bandeira, Dustin G. Mixon

arxiv:1308.0143 v1 · 2013-08-01 · cs.IT · math.FA · 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{RRR2WY33YCCWJZC5VTOJMM3QOG}

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	2026-05-18T01:48:31.795119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c63ab637bc08564e45dacdc96337071b94fd8dca9085227e5293e5a47cdf863

Aliases

arxiv: 1308.0143 · arxiv_version: 1308.0143v1 · doi: 10.48550/arxiv.1308.0143 · pith_short_12: RRR2WY33YCCW · pith_short_16: RRR2WY33YCCWJZC5 · pith_short_8: RRR2WY33

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/RRR2WY33YCCWJZC5VTOJMM3QOG \
  | 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: 8c63ab637bc08564e45dacdc96337071b94fd8dca9085227e5293e5a47cdf863

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "145332c4625b2582ed7edb1080c3c50c38ddc01ea7229be5c51c3eb4f7419364",
    "cross_cats_sorted": [
      "math.FA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-01T10:17:11Z",
    "title_canon_sha256": "e01e5870e836dadf907e2107ef41e4c46728558b92928bb5d6e1dad2ccf07325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0143",
    "kind": "arxiv",
    "version": 1
  }
}