Pith Number

pith:I7VPFPUL

pith:2011:I7VPFPULTMQWVZQWCNEFVDOKCP

not attested not anchored not stored refs pending

Open-loop multi-channel inversion of room impulse response

Bowon Lee, Camille Goudeseune, Mark A. Hasegawa-Johnson

arxiv:1106.1199 v1 · 2011-06-06 · 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{I7VPFPULTMQWVZQWCNEFVDOKCP}

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	2026-05-18T04:20:24.328411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47eaf2be8b9b216ae61613485a8dca13df1330da0f4e0311849830446c20a424

Aliases

arxiv: 1106.1199 · arxiv_version: 1106.1199v1 · doi: 10.48550/arxiv.1106.1199 · pith_short_12: I7VPFPULTMQW · pith_short_16: I7VPFPULTMQWVZQW · pith_short_8: I7VPFPUL

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/I7VPFPULTMQWVZQWCNEFVDOKCP \
  | 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: 47eaf2be8b9b216ae61613485a8dca13df1330da0f4e0311849830446c20a424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb89c683ae4a720f8d006428c70de27a591953da773105e76be073d5e216bf88",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.SD",
    "submitted_at": "2011-06-06T21:03:31Z",
    "title_canon_sha256": "252fc3c73e9e2d57d02a54ab52fbfc729772ac1fbd9209abb44fd61f7b6c9588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1199",
    "kind": "arxiv",
    "version": 1
  }
}