Pith Number

pith:HHTEF22U

pith:2009:HHTEF22UZV3DM6ZS455M3ZUMJB

not attested not anchored not stored refs pending

Gate fidelity fluctuations and quantum process invariants

Easwar Magesan, Joseph Emerson, Robin Blume-Kohout

arxiv:0910.1315 v4 · 2009-10-07 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHTEF22UZV3DM6ZS455M3ZUMJB}

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	2026-05-18T03:56:58.449217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39e642eb54cd76367b32e77acde68c485c4eefc86c7121595925c3471ab059ef

Aliases

arxiv: 0910.1315 · arxiv_version: 0910.1315v4 · doi: 10.48550/arxiv.0910.1315 · pith_short_12: HHTEF22UZV3D · pith_short_16: HHTEF22UZV3DM6ZS · pith_short_8: HHTEF22U

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/HHTEF22UZV3DM6ZS455M3ZUMJB \
  | 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: 39e642eb54cd76367b32e77acde68c485c4eefc86c7121595925c3471ab059ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb17cbbfc57c6fabdb1ca14090861ce7d2ba999d1f6d8220ea19dae89afc55d0",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-10-07T19:47:58Z",
    "title_canon_sha256": "2109f92b420e6a2de893a7b01cc5bc37318c0f627b9af19b086869ae8c0e8ca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1315",
    "kind": "arxiv",
    "version": 4
  }
}