Pith Number

pith:BNE7UIUI

pith:2009:BNE7UIUIXKFN5DGNJ5YWQWZKHH

not attested not anchored not stored refs pending

Quantum communication through a spin chain with interaction determined by a Jacobi matrix

J. Van der Jeugt, R. Chakrabarti

arxiv:0912.0837 v1 · 2009-12-04 · 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{BNE7UIUIXKFN5DGNJ5YWQWZKHH}

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	2026-05-18T02:55:39.685117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b49fa2288ba8ade8ccd4f71685b2a39d609ab0f1c5b71d562685bcd1f63dcf6

Aliases

arxiv: 0912.0837 · arxiv_version: 0912.0837v1 · doi: 10.48550/arxiv.0912.0837 · pith_short_12: BNE7UIUIXKFN · pith_short_16: BNE7UIUIXKFN5DGN · pith_short_8: BNE7UIUI

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/BNE7UIUIXKFN5DGNJ5YWQWZKHH \
  | 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: 0b49fa2288ba8ade8ccd4f71685b2a39d609ab0f1c5b71d562685bcd1f63dcf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebdf3e0b830f277e2d69770a4b26f42eda2c5d7dacaa15f932d8782f2278b06f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-04T12:54:51Z",
    "title_canon_sha256": "e8a6020873122a1a57e2d9b2371963a5863fc98d3ac92c6072acdefd9edfd89f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0837",
    "kind": "arxiv",
    "version": 1
  }
}