Pith Number

pith:S7W7MJZT

pith:2016:S7W7MJZTAOTA2AH3PJIFDG55EW

not attested not anchored not stored refs pending

Unattainable & attainable bounds for quantum sensors

L. C. Kwek, Masahito Hayashi, Sai Vinjanampathy

arxiv:1602.07131 v2 · 2016-02-23 · 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{S7W7MJZTAOTA2AH3PJIFDG55EW}

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	2026-05-18T01:11:57.643822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97edf6273303a60d00fb7a50519bbd25bf888632486f7d32e04d4ce694d3deb7

Aliases

arxiv: 1602.07131 · arxiv_version: 1602.07131v2 · doi: 10.48550/arxiv.1602.07131 · pith_short_12: S7W7MJZTAOTA · pith_short_16: S7W7MJZTAOTA2AH3 · pith_short_8: S7W7MJZT

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/S7W7MJZTAOTA2AH3PJIFDG55EW \
  | 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: 97edf6273303a60d00fb7a50519bbd25bf888632486f7d32e04d4ce694d3deb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f8f2c9b96da6c1f4906025f82fa3401462edd081b71f7de42c65366367a173e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-23T12:06:09Z",
    "title_canon_sha256": "80e7bf89f84f9fb023bff9c4a27d8389fba4f89ef178557dc09a31ce2eafe089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07131",
    "kind": "arxiv",
    "version": 2
  }
}