Pith Number

pith:BBUQVKLC

pith:2017:BBUQVKLCVMMEJYV2JE4JCIUZDC

not attested not anchored not stored refs pending

Unambiguous path discrimination in a two-path interferometer

Berthold-Georg Englert, Jibo Dai, Leonid A. Krivitsky, Yink Loong Len

arxiv:1708.01408 v2 · 2017-08-04 · 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{BBUQVKLCVMMEJYV2JE4JCIUZDC}

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	2026-05-18T00:08:36.440654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08690aa962ab1844e2ba49389122991880733d4a0204f19ed81742a224657b85

Aliases

arxiv: 1708.01408 · arxiv_version: 1708.01408v2 · doi: 10.48550/arxiv.1708.01408 · pith_short_12: BBUQVKLCVMME · pith_short_16: BBUQVKLCVMMEJYV2 · pith_short_8: BBUQVKLC

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/BBUQVKLCVMMEJYV2JE4JCIUZDC \
  | 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: 08690aa962ab1844e2ba49389122991880733d4a0204f19ed81742a224657b85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d14e292cc87cc02929795578003197f90bba5e3c4038d797d1be71a51a93cb0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-04T07:59:54Z",
    "title_canon_sha256": "9a56072ba5ba22b9e89c1e4d2c065fac48d34646416aff01abd5203f946a03ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01408",
    "kind": "arxiv",
    "version": 2
  }
}