Pith Number

pith:FMBZVNYB

pith:2008:FMBZVNYBECO75DL6ZQL6XBLZZ3

not attested not anchored not stored refs pending

Scaling of entanglement between separated blocks in spin chains at criticality

H. Wichterich, J. Molina-Vilaplana, S. Bose

arxiv:0811.1285 v2 · 2008-11-08 · quant-ph · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMBZVNYBECO75DL6ZQL6XBLZZ3}

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	2026-07-04T15:47:21.840553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b039ab701209dfe8d7ecc17eb8579ceeba7ab0e5fd0d8283d5986d8b42e5cf3

Aliases

arxiv: 0811.1285 · arxiv_version: 0811.1285v2 · doi: 10.48550/arxiv.0811.1285 · pith_short_12: FMBZVNYBECO7 · pith_short_16: FMBZVNYBECO75DL6 · pith_short_8: FMBZVNYB

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/FMBZVNYBECO75DL6ZQL6XBLZZ3 \
  | 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: 2b039ab701209dfe8d7ecc17eb8579ceeba7ab0e5fd0d8283d5986d8b42e5cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16a918f9d276639eb3558c6f7cffc566b55c29120e0ddc5083be816582a63005",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-11-08T18:38:01Z",
    "title_canon_sha256": "027d1b8470d6bc7e44edc749c016f364cec83e577b7a36c67b041936f3dca5da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1285",
    "kind": "arxiv",
    "version": 2
  }
}