Pith Number

pith:2CUX2ZXF

pith:2011:2CUX2ZXFJW7DQVJVTNJFIWJUGJ

not attested not anchored not stored refs pending

Hamiltonian complexity

Tobias J. Osborne

arxiv:1106.5875 v1 · 2011-06-29 · 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{2CUX2ZXFJW7DQVJVTNJFIWJUGJ}

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	2026-05-18T02:01:27.102782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0a97d66e54dbe3855359b5254593432600eb3f8c9c5143c5b8de532a1ded45a

Aliases

arxiv: 1106.5875 · arxiv_version: 1106.5875v1 · doi: 10.48550/arxiv.1106.5875 · pith_short_12: 2CUX2ZXFJW7D · pith_short_16: 2CUX2ZXFJW7DQVJV · pith_short_8: 2CUX2ZXF

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/2CUX2ZXFJW7DQVJVTNJFIWJUGJ \
  | 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: d0a97d66e54dbe3855359b5254593432600eb3f8c9c5143c5b8de532a1ded45a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c242d250fe9dfbd9ca24e99dfb7b45f3c27f1318b1dbfc67871dee5d28f0ea6a",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-06-29T08:32:37Z",
    "title_canon_sha256": "8180681b29977e4a254bbc922ae1d9661c137e6254a7a1e4cbe4ad786356662a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5875",
    "kind": "arxiv",
    "version": 1
  }
}