Pith Number

pith:EHATZKJH

pith:2009:EHATZKJH52JHGNYAWYMQB2TTOP

not attested not anchored not stored refs pending

Nonlinear metrology with a quantum interface

M. Napolitano, M. W. Mitchell

arxiv:0910.5869 v2 · 2009-10-30 · quant-ph · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHATZKJH52JHGNYAWYMQB2TTOP}

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	2026-05-18T02:11:01.353056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c13ca927ee92733700b61900ea7373e821cb90f54186f9c68d4442c5b33f47

Aliases

arxiv: 0910.5869 · arxiv_version: 0910.5869v2 · doi: 10.48550/arxiv.0910.5869 · pith_short_12: EHATZKJH52JH · pith_short_16: EHATZKJH52JHGNYA · pith_short_8: EHATZKJH

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/EHATZKJH52JHGNYAWYMQB2TTOP \
  | 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: 21c13ca927ee92733700b61900ea7373e821cb90f54186f9c68d4442c5b33f47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84e355ff9cb73d4d68b431759b4f19f901945abc2e7de5d1751c4a9421c3df59",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-10-30T13:36:47Z",
    "title_canon_sha256": "60fa36d846990dbcc2130eda6cfa63eb23207e3a861f2cf000eb79c40a1b3d60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5869",
    "kind": "arxiv",
    "version": 2
  }
}