Pith Number

pith:LBWJKUJL

pith:2017:LBWJKUJLDNQEOQNPSSS4DH3PUO

not attested not anchored not stored refs pending

Universality in perfect state transfer

Christino Tamon, Erin Connelly, Luis Serazo, Michael Kraut, Nathaniel Grammel

arxiv:1701.04145 v2 · 2017-01-16 · quant-ph · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBWJKUJLDNQEOQNPSSS4DH3PUO}

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	2026-05-18T00:52:30.610608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

586c95512b1b604741af94a5c19f6fa399b2df4e44d82f43180f83add6d42a8e

Aliases

arxiv: 1701.04145 · arxiv_version: 1701.04145v2 · doi: 10.48550/arxiv.1701.04145 · pith_short_12: LBWJKUJLDNQE · pith_short_16: LBWJKUJLDNQEOQNP · pith_short_8: LBWJKUJL

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/LBWJKUJLDNQEOQNPSSS4DH3PUO \
  | 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: 586c95512b1b604741af94a5c19f6fa399b2df4e44d82f43180f83add6d42a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ede664be35df2a349c54c98e2753d68581e7f298b1b32d220be085223c9a8c6",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-16T02:42:44Z",
    "title_canon_sha256": "1baf3281639dcee3dce647b747f573203c2802af0d27b7fdcb102fd42d32ad05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04145",
    "kind": "arxiv",
    "version": 2
  }
}