Pith Number

pith:NRNQHPQY

pith:2001:NRNQHPQYKGLYSCVBZXACDAHJBP

not attested not anchored not stored refs pending

Minimal Absorption Measurements

Graeme Mitchison, Serge Massar, Stefano Pironio

arxiv:quant-ph/0102116 v1 · 2001-02-22 · 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{NRNQHPQYKGLYSCVBZXACDAHJBP}

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.

Cited by

1 paper in Pith

Counterfactual Quantum Sensing: What Interaction-Free Measurement Can and Cannot Buy

Receipt and verification

First computed	2026-07-04T16:28:54.962737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c5b03be185197890aa1cdc02180e90bd06e4af5f5bde454e1f6cc597f4127b9

Aliases

arxiv: quant-ph/0102116 · arxiv_version: quant-ph/0102116v1 · doi: 10.48550/arxiv.quant-ph/0102116 · pith_short_12: NRNQHPQYKGLY · pith_short_16: NRNQHPQYKGLYSCVB · pith_short_8: NRNQHPQY

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/NRNQHPQYKGLYSCVBZXACDAHJBP \
  | 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: 6c5b03be185197890aa1cdc02180e90bd06e4af5f5bde454e1f6cc597f4127b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6695cb96d6152c1bfb7f5d3fc054c7b0ae75ea7a33399fe8a5949852c0b85355",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-02-22T14:35:49Z",
    "title_canon_sha256": "e88c34eb22a55f6b9ecf3c8264435a64c7095c7c2a395509f29c710d74c5952b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0102116",
    "kind": "arxiv",
    "version": 1
  }
}