Pith Number

pith:KZGUVYXW

pith:2015:KZGUVYXWAHCQXILZKFFWC4LJ3A

not attested not anchored not stored refs pending

Quantum enhanced estimation of a multi-dimensional field

Animesh Datta, Tillmann Baumgratz

arxiv:1507.02956 v1 · 2015-07-10 · 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{KZGUVYXWAHCQXILZKFFWC4LJ3A}

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	2026-05-18T01:21:55.132766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

564d4ae2f601c50ba179514b617169d8201fc5f099c50e69424904a6c1734ec0

Aliases

arxiv: 1507.02956 · arxiv_version: 1507.02956v1 · doi: 10.48550/arxiv.1507.02956 · pith_short_12: KZGUVYXWAHCQ · pith_short_16: KZGUVYXWAHCQXILZ · pith_short_8: KZGUVYXW

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/KZGUVYXWAHCQXILZKFFWC4LJ3A \
  | 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: 564d4ae2f601c50ba179514b617169d8201fc5f099c50e69424904a6c1734ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f761128f836e6f27968e0570b16c11507160dfa51618991f5b20d44b4e989f62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-10T16:24:29Z",
    "title_canon_sha256": "15438cd141c979a9a80b3b3f670d4d1036c3ef23a53b8e43502d440b901ed74b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02956",
    "kind": "arxiv",
    "version": 1
  }
}