Pith Number

pith:MQFU7NNA

pith:2016:MQFU7NNABWKVSISAKBYRRBFJSI

not attested not anchored not stored refs pending

Uncalibrated 3D Room Reconstruction from Sound

Alessio Del Bue, Andrea Trucco, Marco Crocco

arxiv:1606.06258 v1 · 2016-06-20 · 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{MQFU7NNABWKVSISAKBYRRBFJSI}

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	2026-05-18T01:12:15.269570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

640b4fb5a00d9559224050711884a9920b0f90685351a995e3eeb5adb174490d

Aliases

arxiv: 1606.06258 · arxiv_version: 1606.06258v1 · doi: 10.48550/arxiv.1606.06258 · pith_short_12: MQFU7NNABWKV · pith_short_16: MQFU7NNABWKVSISA · pith_short_8: MQFU7NNA

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/MQFU7NNABWKVSISAKBYRRBFJSI \
  | 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: 640b4fb5a00d9559224050711884a9920b0f90685351a995e3eeb5adb174490d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ded234848b6c5aa495a9c089e77bef9762a8aea77903872c357f3e8246702741",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2016-06-20T19:21:46Z",
    "title_canon_sha256": "ed8e9e690c15e0ee61c69dd9286e41d0ccc5cba02d026620c525615b7796eca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06258",
    "kind": "arxiv",
    "version": 1
  }
}