Pith Number

pith:ZBDKTUXE

pith:2020:ZBDKTUXECZYC3LNZACRCAZ2GWC

not attested not anchored not stored refs pending

Nearly optimal time-independent reversal of a spin chain

Alexey V. Gorshkov, Andrew M. Childs, Aniruddha Bapat, Eddie Schoute

arxiv:2003.02843 v1 · 2020-03-05 · quant-ph · physics.atom-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{ZBDKTUXECZYC3LNZACRCAZ2GWC}

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	2026-07-05T04:32:08.927483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c846a9d2e416702dadb900a2206746b0ae1ae08abbc3d4e4f35e7e3304a17753

Aliases

arxiv: 2003.02843 · arxiv_version: 2003.02843v1 · doi: 10.48550/arxiv.2003.02843 · pith_short_12: ZBDKTUXECZYC · pith_short_16: ZBDKTUXECZYC3LNZ · pith_short_8: ZBDKTUXE

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/ZBDKTUXECZYC3LNZACRCAZ2GWC \
  | 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: c846a9d2e416702dadb900a2206746b0ae1ae08abbc3d4e4f35e7e3304a17753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff1973d6f536d1afd978c1d4a858444376300d3b7713901eaeca78ca5b5eb6e",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-03-05T19:00:00Z",
    "title_canon_sha256": "a6023676c7a957b105854cd3f9ccad7b76b2ce9dfcf54ef26d1d3051bcec5602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.02843",
    "kind": "arxiv",
    "version": 1
  }
}