Pith Number

pith:WN2MMGDY

pith:2026:WN2MMGDYQNXJFUWIF4G2J4YTME

not attested not anchored not stored refs pending

Measuring the complete set of spatial Schmidt modes of entangled two-photon fields

Abhinandan Bhattacharjee, Anand K. Jha, Nilakshi Senapati, Radhika Prasad, Suman Karan

arxiv:2605.17974 v1 · 2026-05-18 · 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{WN2MMGDYQNXJFUWIF4G2J4YTME}

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	2026-05-20T00:05:08.929896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b374c61878836e92d2c82f0da4f3136120cdbe8ac6771749dad7102706389403

Aliases

arxiv: 2605.17974 · arxiv_version: 2605.17974v1 · doi: 10.48550/arxiv.2605.17974 · pith_short_12: WN2MMGDYQNXJ · pith_short_16: WN2MMGDYQNXJFUWI · pith_short_8: WN2MMGDY

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/WN2MMGDYQNXJFUWIF4G2J4YTME \
  | 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: b374c61878836e92d2c82f0da4f3136120cdbe8ac6771749dad7102706389403

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e11227a6d02866b1eb1c9370a8f9ab676376845586ff5facdbfe02cd482968e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-18T07:29:41Z",
    "title_canon_sha256": "13e1122fd7ef3cd01179f5b2288e977d4222b27d469c60bbd0e5f4e995b22c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17974",
    "kind": "arxiv",
    "version": 1
  }
}