Pith Number

pith:IVVOB4EU

pith:2018:IVVOB4EULAGHTZAW7MFDUKW3PU

not attested not anchored not stored refs pending

Directional emphasis in ambisonics

W. Bastiaan Kleijn

arxiv:1803.06718 v2 · 2018-03-18 · eess.AS · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVVOB4EULAGHTZAW7MFDUKW3PU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:15:04.778263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

456ae0f094580c79e416fb0a3a2adb7d3676edfe78a5295d566502056bc7aa2f

Aliases

arxiv: 1803.06718 · arxiv_version: 1803.06718v2 · doi: 10.48550/arxiv.1803.06718 · pith_short_12: IVVOB4EULAGH · pith_short_16: IVVOB4EULAGHTZAW · pith_short_8: IVVOB4EU

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/IVVOB4EULAGHTZAW7MFDUKW3PU \
  | 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: 456ae0f094580c79e416fb0a3a2adb7d3676edfe78a5295d566502056bc7aa2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8651a286ef211b68fc0f6ad466842d05b28a2621ae61d6fff9759362697fab8",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2018-03-18T19:10:30Z",
    "title_canon_sha256": "db9ff74c7e0e08f6bb0ab8207f0376427c1a6786470fac47937f0434a5ad7391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06718",
    "kind": "arxiv",
    "version": 2
  }
}