Pith Number

pith:RPSJACNG

pith:2017:RPSJACNGST4EKUR5BOZNPKFKTM

not attested not anchored not stored refs pending

Determining the Quantum Expectation Value by Measuring a Single Photon

A. Avella, A. Tosi, E. Cohen, E. Rebufello, F. Piacentini, F. Villa, G. Brida, I. P. Degiovanni, L. Vaidman, M. Genovese, M. Gramegna, R. Lussana

arxiv:1706.08918 v1 · 2017-06-27 · 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{RPSJACNGST4EKUR5BOZNPKFKTM}

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	2026-05-18T00:24:36.060341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8be49009a694f845523d0bb2d7a8aa9b34814b07c8ec54818f71b5bf321f21cb

Aliases

arxiv: 1706.08918 · arxiv_version: 1706.08918v1 · doi: 10.48550/arxiv.1706.08918 · pith_short_12: RPSJACNGST4E · pith_short_16: RPSJACNGST4EKUR5 · pith_short_8: RPSJACNG

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/RPSJACNGST4EKUR5BOZNPKFKTM \
  | 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: 8be49009a694f845523d0bb2d7a8aa9b34814b07c8ec54818f71b5bf321f21cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c918af7ad604ce34391fb1461eb073b6efdde676e806d7564752769c1aeb525a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-06-27T16:00:46Z",
    "title_canon_sha256": "84344810812c7a16c93367152bb477f47afecfb48bc8f865f5b2037fe63b9d56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08918",
    "kind": "arxiv",
    "version": 1
  }
}