Pith Number

pith:IOLQ4HWM

pith:2016:IOLQ4HWM5KMZ5UDA7AQTHYVUXR

not attested not anchored not stored refs pending

HRTF-based Robust Least-Squares Frequency-Invariant Polynomial Beamforming

Hendrik Barfuss, Marcel Mueglich, Walter Kellermann

arxiv:1607.06642 v2 · 2016-07-22 · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOLQ4HWM5KMZ5UDA7AQTHYVUXR}

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	2026-05-18T01:04:55.563924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43970e1eccea999ed060f82133e2b4bc54fbea013ce75be8d2d349a522064e05

Aliases

arxiv: 1607.06642 · arxiv_version: 1607.06642v2 · doi: 10.48550/arxiv.1607.06642 · pith_short_12: IOLQ4HWM5KMZ · pith_short_16: IOLQ4HWM5KMZ5UDA · pith_short_8: IOLQ4HWM

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/IOLQ4HWM5KMZ5UDA7AQTHYVUXR \
  | 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: 43970e1eccea999ed060f82133e2b4bc54fbea013ce75be8d2d349a522064e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aaf89f2ad7cd79e5459bea47b83a5b53ad15739438b3629d13d442c865de22a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2016-07-22T11:56:52Z",
    "title_canon_sha256": "563029ab790fa8d9b8e4a574e9928e266dda162a25d5ba3f966f39c535c8e2a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06642",
    "kind": "arxiv",
    "version": 2
  }
}