Pith Number

pith:RNLQTEDK

pith:2025:RNLQTEDKXGWAVQ6K5SVGX7VFEX

not attested not anchored not stored refs pending

Learning to See Inside Opaque Liquid Containers using Speckle Vibrometry

Mark Sheinin, Matan Kichler, Shai Bagon

arxiv:2507.20757 v1 · 2025-07-28 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RNLQTEDKXGWAVQ6K5SVGX7VFEX}

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	2026-07-05T11:44:25.385017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b5709906ab9ac0ac3caecaa6bfea525ec053297e399a1f50fc4736b8d6f959f

Aliases

arxiv: 2507.20757 · arxiv_version: 2507.20757v1 · doi: 10.48550/arxiv.2507.20757 · pith_short_12: RNLQTEDKXGWA · pith_short_16: RNLQTEDKXGWAVQ6K · pith_short_8: RNLQTEDK

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/RNLQTEDKXGWAVQ6K5SVGX7VFEX \
  | 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: 8b5709906ab9ac0ac3caecaa6bfea525ec053297e399a1f50fc4736b8d6f959f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22ef21ad20b83d6ad5b16f31c884144519ee93f2d9e5fea6bfdb4d11935ec430",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-28T12:11:12Z",
    "title_canon_sha256": "ff8f72dea60a4bcbd370630bf8b08179f4fc2d9e1eb47a04e716d4f5532347d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20757",
    "kind": "arxiv",
    "version": 1
  }
}