Pith Number

pith:BKAQWXLV

pith:2015:BKAQWXLVQJ4Z6VQJ3ZIJX2REIT

not attested not anchored not stored refs pending

Diffraction effects in length measurements by laser interferometry

Carlo Paolo Sasso, Enrico Massa, Giovanni Mana

arxiv:1512.05097 v1 · 2015-12-16 · 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{BKAQWXLVQJ4Z6VQJ3ZIJX2REIT}

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	2026-05-18T01:16:44.549972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a810b5d7582799f5609de509bea2444daec847682e76cdc84fea3093269cbec

Aliases

arxiv: 1512.05097 · arxiv_version: 1512.05097v1 · doi: 10.48550/arxiv.1512.05097 · pith_short_12: BKAQWXLVQJ4Z · pith_short_16: BKAQWXLVQJ4Z6VQJ · pith_short_8: BKAQWXLV

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/BKAQWXLVQJ4Z6VQJ3ZIJX2REIT \
  | 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: 0a810b5d7582799f5609de509bea2444daec847682e76cdc84fea3093269cbec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78d1a57dccfd53ba9c45acf8aa271af21ddb20ba80ecbd0b9fda4047b741103d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-12-16T09:16:01Z",
    "title_canon_sha256": "237aa8189b44f10b6711ba355c98c42aa0e357c1be941d3cdafebb7aa361f402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05097",
    "kind": "arxiv",
    "version": 1
  }
}