Pith Number

pith:CWWMZC5D

pith:2015:CWWMZC5DD3WUTFTEWHQSIW2VPX

not attested not anchored not stored refs pending

Three results on weak measurements

N.D. Hari Dass

arxiv:1509.04869 v1 · 2015-09-16 · quant-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{CWWMZC5DD3WUTFTEWHQSIW2VPX}

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	2026-05-18T01:32:51.450577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15accc8ba31eed499664b1e1245b557dfe81fff4bec2f143a3588f445eddf061

Aliases

arxiv: 1509.04869 · arxiv_version: 1509.04869v1 · doi: 10.48550/arxiv.1509.04869 · pith_short_12: CWWMZC5DD3WU · pith_short_16: CWWMZC5DD3WUTFTE · pith_short_8: CWWMZC5D

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/CWWMZC5DD3WUTFTEWHQSIW2VPX \
  | 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: 15accc8ba31eed499664b1e1245b557dfe81fff4bec2f143a3588f445eddf061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00f677c9606b697d176fe87ab2b7044f76099d0555aa30cda055ef9ab0276814",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-16T09:59:27Z",
    "title_canon_sha256": "4a42f9aa3f8bc05cf00d7274de931132a1f6fd35e53da2f793455caf88ded523"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04869",
    "kind": "arxiv",
    "version": 1
  }
}