Pith Number

pith:Y4YDA467

pith:2025:Y4YDA4677AXGXLZI2IWCOGMQ5K

not attested not anchored not stored refs pending

Fully Packed and Ready to Go: High-Density, Rearrangement-Free, Grid-Based Storage and Retrieval

Jingjin Yu, Kostas Bekris, Tzvika Geft

arxiv:2505.22497 v1 · 2025-05-28 · cs.RO · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4YDA4677AXGXLZI2IWCOGMQ5K}

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	2026-07-05T11:11:25.264135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7303073dff82e6baf28d22c271990eab874e58af2d3d85d41a9c559a619e855

Aliases

arxiv: 2505.22497 · arxiv_version: 2505.22497v1 · doi: 10.48550/arxiv.2505.22497 · pith_short_12: Y4YDA4677AXG · pith_short_16: Y4YDA4677AXGXLZI · pith_short_8: Y4YDA467

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/Y4YDA4677AXGXLZI2IWCOGMQ5K \
  | 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: c7303073dff82e6baf28d22c271990eab874e58af2d3d85d41a9c559a619e855

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fedf52afb4d9440bd89d5085fd328ce79d24df5e1bcf4ab44619da1a6d9992d7",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-05-28T15:47:43Z",
    "title_canon_sha256": "bf63c4861a32f86ef17f434bf93c0f492434db07e82dd98a99b9521835dc9358"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22497",
    "kind": "arxiv",
    "version": 1
  }
}