Pith Number

pith:2S5T6OFR

pith:2009:2S5T6OFRTQHJMJGLV6PR5X55OP

not attested not anchored not stored refs pending

Measuring atomic NOON-states and using them to make precision measurements

Adam Stokes, David W. Hallwood, Jacob Dunningham, Jessica J. Cooper

arxiv:0907.3213 v1 · 2009-07-18 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2S5T6OFRTQHJMJGLV6PR5X55OP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:12:55.879907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4bb3f38b19c0e9624cbaf9f1edfbd73c7db5090b701fe409a6a29e8da323d3d

Aliases

arxiv: 0907.3213 · arxiv_version: 0907.3213v1 · doi: 10.48550/arxiv.0907.3213 · pith_short_12: 2S5T6OFRTQHJ · pith_short_16: 2S5T6OFRTQHJMJGL · pith_short_8: 2S5T6OFR

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/2S5T6OFRTQHJMJGLV6PR5X55OP \
  | 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: d4bb3f38b19c0e9624cbaf9f1edfbd73c7db5090b701fe409a6a29e8da323d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e7e3101cbfe944957962fe255a3fad32d0a86e082efa798bebba093f427b697",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-18T12:01:01Z",
    "title_canon_sha256": "091bf72eae96f744624537cdc1959c2d210940aad8686cca7a902f4231df0c9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3213",
    "kind": "arxiv",
    "version": 1
  }
}