Pith Number

pith:6NM3XHOI

pith:2026:6NM3XHOI244MZ3CBQZLNJFI3BP

not attested not anchored not stored refs pending

High-dimensional quantum process tomography with undetected photons

Mayukh Lahiri, Salini Rajeev

arxiv:2608.02490 v1 · 2026-08-03 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NM3XHOI244MZ3CBQZLNJFI3BP}

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	2026-08-04T02:43:47.189322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f359bb9dc8d738ccec418656d4951b0be5a154110922fba1d58c129bd642199f

Aliases

arxiv: 2608.02490 · arxiv_version: 2608.02490v1 · doi: 10.48550/arxiv.2608.02490 · pith_short_12: 6NM3XHOI244M · pith_short_16: 6NM3XHOI244MZ3CB · pith_short_8: 6NM3XHOI

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/6NM3XHOI244MZ3CBQZLNJFI3BP \
  | 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: f359bb9dc8d738ccec418656d4951b0be5a154110922fba1d58c129bd642199f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b847678e1b8ea90ee2e1f843270cefe7e67b326076be277e458d93d3c1ca57cd",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-03T16:55:15Z",
    "title_canon_sha256": "a04ac0092325ddef065ad2b82c61e6aa4b23bb68f722123c6a635056eded4a7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02490",
    "kind": "arxiv",
    "version": 1
  }
}