Pith Number

pith:FTQVXDLO

pith:2009:FTQVXDLOUKHN4FQWKPYUXIVA3I

not attested not anchored not stored refs pending

Molecular architectures based on pi-conjugated block copolymers for global quantum computation

Cesar A. Mujica Martinez, John H. Reina, Julio C. Arce, Michael Thorwart

arxiv:0904.2351 v1 · 2009-04-15 · cond-mat.mes-hall · cond-mat.soft · 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{FTQVXDLOUKHN4FQWKPYUXIVA3I}

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	2026-05-18T04:38:17.460522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ce15b8d6ea28ede161653f14ba2a0da090d9e5b0029d5d9ef465d3ddc9a738a

Aliases

arxiv: 0904.2351 · arxiv_version: 0904.2351v1 · doi: 10.48550/arxiv.0904.2351 · pith_short_12: FTQVXDLOUKHN · pith_short_16: FTQVXDLOUKHN4FQW · pith_short_8: FTQVXDLO

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/FTQVXDLOUKHN4FQWKPYUXIVA3I \
  | 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: 2ce15b8d6ea28ede161653f14ba2a0da090d9e5b0029d5d9ef465d3ddc9a738a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "436db994cb4559976aa41f19cc366882709e81d05fd2c29e627ca607175d5be6",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-04-15T16:23:39Z",
    "title_canon_sha256": "0fd549a56f47e97190b1d5c039fae55605c190d8f79be37f09379003a6f32d05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2351",
    "kind": "arxiv",
    "version": 1
  }
}