Pith Number

pith:MLZ4G3NP

pith:2019:MLZ4G3NP6RT2UEGCVV772M2BJH

not attested not anchored not stored refs pending

Diffraction-Based Interaction-Free Measurements

Andrew N. Jordan, Cyril Elouard, Spencer Rogers, Yakir Aharonov

arxiv:1907.05977 v1 · 2019-07-12 · 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{MLZ4G3NP6RT2UEGCVV772M2BJH}

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	2026-07-05T01:32:41.383434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62f3c36daff467aa10c2ad7ffd334149f087ec627a92dea9830fd2a3538ec21b

Aliases

arxiv: 1907.05977 · arxiv_version: 1907.05977v1 · doi: 10.48550/arxiv.1907.05977 · pith_short_12: MLZ4G3NP6RT2 · pith_short_16: MLZ4G3NP6RT2UEGC · pith_short_8: MLZ4G3NP

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/MLZ4G3NP6RT2UEGCVV772M2BJH \
  | 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: 62f3c36daff467aa10c2ad7ffd334149f087ec627a92dea9830fd2a3538ec21b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22cf81979531c82f81c787904f0d1b98e354ccbb7e0ace9ca8148e68915b0d66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-12T23:41:37Z",
    "title_canon_sha256": "5bb064d90c835ca9f40797f3528f57e5fe179c792eb07ff58275be9c2e760a94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05977",
    "kind": "arxiv",
    "version": 1
  }
}