Pith Number

pith:X7EIB5G3

pith:2010:X7EIB5G3W6SDU55TI36KKDZPXS

not attested not anchored not stored refs pending

Exponential error rates in multiple state discrimination on a quantum spin chain

Arleta Szkola, Michael Nussbaum

arxiv:1001.2651 v1 · 2010-01-15 · 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{X7EIB5G3W6SDU55TI36KKDZPXS}

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	2026-05-18T02:09:43.908695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfc880f4dbb7a43a77b346fca50f2fbc9fc3c652c8e58270d581fa73069f306c

Aliases

arxiv: 1001.2651 · arxiv_version: 1001.2651v1 · doi: 10.48550/arxiv.1001.2651 · pith_short_12: X7EIB5G3W6SD · pith_short_16: X7EIB5G3W6SDU55T · pith_short_8: X7EIB5G3

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/X7EIB5G3W6SDU55TI36KKDZPXS \
  | 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: bfc880f4dbb7a43a77b346fca50f2fbc9fc3c652c8e58270d581fa73069f306c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60255a44235971dbf6001f022fe34f6889001de9a4e6e98430209e5f3434fecd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-01-15T10:35:33Z",
    "title_canon_sha256": "12d4d59f2f3db36b41528a3a30208f9ae58fb197b3f4da7f0dd7e79f40b6d2f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2651",
    "kind": "arxiv",
    "version": 1
  }
}