Pith Number

pith:3JAFL45W

pith:2017:3JAFL45WSFDOOFWL3SWVFSCZ25

not attested not anchored not stored refs pending

Shorter unentangled proofs for Ground State Connectivity

Daniel Nagaj, Libor Caha, Martin Schwarz

arxiv:1712.07400 v1 · 2017-12-20 · 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{3JAFL45WSFDOOFWL3SWVFSCZ25}

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	2026-05-18T00:12:02.390749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da4055f3b69146e716cbdcad52c859d74995f82cd70c1ed975a0b8c0c9c70e9c

Aliases

arxiv: 1712.07400 · arxiv_version: 1712.07400v1 · doi: 10.48550/arxiv.1712.07400 · pith_short_12: 3JAFL45WSFDO · pith_short_16: 3JAFL45WSFDOOFWL · pith_short_8: 3JAFL45W

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/3JAFL45WSFDOOFWL3SWVFSCZ25 \
  | 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: da4055f3b69146e716cbdcad52c859d74995f82cd70c1ed975a0b8c0c9c70e9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af30977cf5bab1cdb443d39945a5df9f3fab5d4f7c42888e961879f577565f2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-12-20T10:28:30Z",
    "title_canon_sha256": "83c5a43a32ec80ffb014d537ae146d49be6154b4c936a3b4cd6ff99dee798d77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07400",
    "kind": "arxiv",
    "version": 1
  }
}