Pith Number

pith:UPYADTIH

pith:2025:UPYADTIH3UH7QKEWDXJOZDXCFZ

not attested not anchored not stored refs pending

Boundary-Informed Sound Field Reconstruction

Andreas Jakobsson, David Sundstr\"om, Filip Elvander

arxiv:2506.13279 v1 · 2025-06-16 · eess.AS · 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{UPYADTIH3UH7QKEWDXJOZDXCFZ}

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	2026-07-05T11:22:19.693852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f001cd07dd0ff828961dd2ec8ee22e7d0e9be2e9b9ba71b0597ebb89c74432

Aliases

arxiv: 2506.13279 · arxiv_version: 2506.13279v1 · doi: 10.48550/arxiv.2506.13279 · pith_short_12: UPYADTIH3UH7 · pith_short_16: UPYADTIH3UH7QKEW · pith_short_8: UPYADTIH

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/UPYADTIH3UH7QKEWDXJOZDXCFZ \
  | 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: a3f001cd07dd0ff828961dd2ec8ee22e7d0e9be2e9b9ba71b0597ebb89c74432

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa6d5e0c45840db7bd2622924791ac0ff85c259e35ae3fc8e306383aa4c566d7",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-06-16T09:18:01Z",
    "title_canon_sha256": "8214627c0444f103958f2553c00f492de63de36d98d5d16924c2767b3449608a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13279",
    "kind": "arxiv",
    "version": 1
  }
}