Pith Number

pith:RSSGVFEO

pith:2026:RSSGVFEO6YVGCKGNCJZLYTKJK5

not attested not anchored not stored refs pending

An evaluation framework for sparse 4D (3D + time) imaging reconstruction via bootstrapped cross-validation

Pablo Villanueva-Perez, Tobias Ritschel, Yuhe Zhang, Zhe Hu, Zisheng Yao

arxiv:2605.19160 v1 · 2026-05-18 · eess.IV · physics.comp-ph · physics.data-an · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RSSGVFEO6YVGCKGNCJZLYTKJK5}

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	2026-05-20T01:05:30.959155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ca46a948ef62a6128cd1272bc4d49576239b75ab23d29f131cdd417628058ae

Aliases

arxiv: 2605.19160 · arxiv_version: 2605.19160v1 · doi: 10.48550/arxiv.2605.19160 · pith_short_12: RSSGVFEO6YVG · pith_short_16: RSSGVFEO6YVGCKGN · pith_short_8: RSSGVFEO

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/RSSGVFEO6YVGCKGNCJZLYTKJK5 \
  | 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: 8ca46a948ef62a6128cd1272bc4d49576239b75ab23d29f131cdd417628058ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17599bf32045547ee954f04ebf8118d3b9052c298028c617e480b01dc9f6ed0c",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.data-an",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-05-18T22:26:03Z",
    "title_canon_sha256": "1178af7502f166edde4ff3794ab493d25402542a0f17e406bdf1071d6c2c0af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19160",
    "kind": "arxiv",
    "version": 1
  }
}