Pith Number

pith:LVH2AYS7

pith:2000:LVH2AYS7LLF5BL5FQPT56XMQMU

not attested not anchored not stored refs pending

Time-Reversed Diffraction

Kirk T. McDonald, Max S. Zolotorev

arxiv:physics/0003058 v1 · 2000-03-23 · 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{LVH2AYS7LLF5BL5FQPT56XMQMU}

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	2026-07-04T14:43:13.935273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d4fa0625f5acbd0afa583e7df5d90651399e0608d5533a587daf6793978b4b2

Aliases

arxiv: physics/0003058 · arxiv_version: physics/0003058v1 · doi: 10.48550/arxiv.physics/0003058 · pith_short_12: LVH2AYS7LLF5 · pith_short_16: LVH2AYS7LLF5BL5F · pith_short_8: LVH2AYS7

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/LVH2AYS7LLF5BL5FQPT56XMQMU \
  | 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: 5d4fa0625f5acbd0afa583e7df5d90651399e0608d5533a587daf6793978b4b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ba16c93856ec850d17f0f74dc52e059dfd9a5f89465b9d996fc6324c5e13a43",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2000-03-23T20:11:24Z",
    "title_canon_sha256": "26821009275f3eceba1a984ed50a183d7b806d54ea6d58800d689dd2abfe49d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0003058",
    "kind": "arxiv",
    "version": 1
  }
}