pith. sign in
Pith Number

pith:HBXKGWJB

pith:2018:HBXKGWJBTHZIVNLSQLV7FI3X77
not attested not anchored not stored refs pending

No exceptional precision of exceptional point sensors

W. Langbein

arxiv:1801.05750 v3 · 2018-01-15 · physics.app-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HBXKGWJBTHZIVNLSQLV7FI3X77}

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 2026-05-18T00:08:43.535475Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

386ea3592199f28ab57282ebf2a377ffce5e7df5d51d69c3c73676dd66139bdc

Aliases

arxiv: 1801.05750 · arxiv_version: 1801.05750v3 · doi: 10.48550/arxiv.1801.05750 · pith_short_12: HBXKGWJBTHZI · pith_short_16: HBXKGWJBTHZIVNLS · pith_short_8: HBXKGWJB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HBXKGWJBTHZIVNLSQLV7FI3X77 \
  | 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: 386ea3592199f28ab57282ebf2a377ffce5e7df5d51d69c3c73676dd66139bdc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f282650eca110a8e10c1723f9b266b6a0d5da0b8bb268e25c2dbefbae9297be6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-01-15T16:56:56Z",
    "title_canon_sha256": "82376c73afd754db1da5eb5c63f15e61fe54661d2643e32ee6a7b8eed61c1145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05750",
    "kind": "arxiv",
    "version": 3
  }
}