Pith Number

pith:IZZOSDG7

pith:2025:IZZOSDG7N7UXEC3LRTDQ5KMOXJ

not attested not anchored not stored refs pending

Experimental demonstration of high compression of space by optical spaceplates

Brian T. Sullivan, Graham Carlow, Jeff S. Lundeen, Orad Reshef, R. Margoth Cordova-Castro, Robert W. Boyd, Ryan Hogan, Yaryna Mamchur

arxiv:2506.20647 v1 · 2025-06-25 · 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{IZZOSDG7N7UXEC3LRTDQ5KMOXJ}

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	2026-07-05T11:27:15.677609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4672e90cdf6fe9720b6b8cc70ea98eba4e2ce3153d260b92d9e6f43891f202a8

Aliases

arxiv: 2506.20647 · arxiv_version: 2506.20647v1 · doi: 10.48550/arxiv.2506.20647 · pith_short_12: IZZOSDG7N7UX · pith_short_16: IZZOSDG7N7UXEC3L · pith_short_8: IZZOSDG7

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/IZZOSDG7N7UXEC3LRTDQ5KMOXJ \
  | 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: 4672e90cdf6fe9720b6b8cc70ea98eba4e2ce3153d260b92d9e6f43891f202a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93ffb3383f8f5430b6953b6315ebcbeed4b3297da22dcd8c3f7007c5671b1ad2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-06-25T17:43:19Z",
    "title_canon_sha256": "39093679285f1f1f5e400c8186c6365a6048e012ab6d107cc6a1185999b3a6e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.20647",
    "kind": "arxiv",
    "version": 1
  }
}