Pith Number

pith:F3DD4S4S

pith:2026:F3DD4S4SUPZSDS5OPOEZLRLJ3U

not attested not anchored not stored refs pending

Causal Spatio-Temporal Sound Field Reconstruction

Andreas Jakobsson, David Sundstr\"om, Filip Tronarp, Johan Lindstr\"om

arxiv:2605.20403 v1 · 2026-05-19 · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3DD4S4SUPZSDS5OPOEZLRLJ3U}

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	2026-05-21T01:04:36.672386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ec63e4b92a3f321cbae7b8995c569dd187bd4597d4bcc41cab3a9e840bb2e46

Aliases

arxiv: 2605.20403 · arxiv_version: 2605.20403v1 · doi: 10.48550/arxiv.2605.20403 · pith_short_12: F3DD4S4SUPZS · pith_short_16: F3DD4S4SUPZSDS5O · pith_short_8: F3DD4S4S

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/F3DD4S4SUPZSDS5OPOEZLRLJ3U \
  | 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: 2ec63e4b92a3f321cbae7b8995c569dd187bd4597d4bcc41cab3a9e840bb2e46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a28b47760e01b2f4d2bcc55b040bb2c8d297194841c1e3de38b4548f8553c7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2026-05-19T19:00:36Z",
    "title_canon_sha256": "d9f4e09a1e0470a273f97b9c032c930197c909e584e6126335b80f7ddf5ee837"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20403",
    "kind": "arxiv",
    "version": 1
  }
}