Pith Number

pith:NVXWV6TW

pith:2026:NVXWV6TW3CDSCIE3TKKDBBYFBJ

not attested not anchored not stored refs pending

Dicke superposition probes for noise-resilient Heisenberg and super-Heisenberg Metrology

A.R. Usha Devi, B.N.Karthik, K.S.Akhilesh, Sudha

arxiv:2601.23043 v3 · 2026-01-30 · 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{NVXWV6TW3CDSCIE3TKKDBBYFBJ}

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	2026-06-30T02:17:14.967679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d6f6afa76d88721209b9a943087050a7fe1e218dbb91489b7ea301828f95851

Aliases

arxiv: 2601.23043 · arxiv_version: 2601.23043v3 · doi: 10.48550/arxiv.2601.23043 · pith_short_12: NVXWV6TW3CDS · pith_short_16: NVXWV6TW3CDSCIE3 · pith_short_8: NVXWV6TW

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/NVXWV6TW3CDSCIE3TKKDBBYFBJ \
  | 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: 6d6f6afa76d88721209b9a943087050a7fe1e218dbb91489b7ea301828f95851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77cb62b2abdba09e47947cef98b07ef61e54df8cd7b3173982fac4f5e2d0ecae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-01-30T14:51:10Z",
    "title_canon_sha256": "7f5dba3f2952f35b1a5443217b8c499b4404616ee13cb6c8660f307e5d8e3988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.23043",
    "kind": "arxiv",
    "version": 3
  }
}