Pith Number

pith:QLURHVR2

pith:2019:QLURHVR2W4YSVZG5YHVNGL2LDQ

not attested not anchored not stored refs pending

Equivalence between quantum backflow and classically forbidden probability flow in a diffraction-in-time problem

Arseni Goussev

arxiv:1903.02053 v2 · 2019-03-05 · 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{QLURHVR2W4YSVZG5YHVNGL2LDQ}

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	2026-05-17T23:47:16.885408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82e913d63ab7312ae4ddc1ead32f4b1c125f013294c48885be93875a85856edf

Aliases

arxiv: 1903.02053 · arxiv_version: 1903.02053v2 · doi: 10.48550/arxiv.1903.02053 · pith_short_12: QLURHVR2W4YS · pith_short_16: QLURHVR2W4YSVZG5 · pith_short_8: QLURHVR2

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/QLURHVR2W4YSVZG5YHVNGL2LDQ \
  | 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: 82e913d63ab7312ae4ddc1ead32f4b1c125f013294c48885be93875a85856edf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0396147bdcdbc882c2c432e1495498f7e87802c3be3deb4968f14b35f2967897",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-05T21:07:53Z",
    "title_canon_sha256": "c4bb6fcc8288919d5f04718c01a65228c4d77bf86aa5f216dd8422ff2ded7a17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02053",
    "kind": "arxiv",
    "version": 2
  }
}