Pith Number

pith:ZKZO2NY2

pith:2008:ZKZO2NY2KHNEYOY4HEP7SW37OY

not attested not anchored not stored refs pending

The Invisible Quantum Barrier

J. X. de Carvalho, M. S. Hussein, Weibin Li

arxiv:0802.0828 v4 · 2008-02-06 · physics.atom-ph · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZKZO2NY2KHNEYOY4HEP7SW37OY}

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	2026-05-18T03:24:43.107734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cab2ed371a51da4c3b1c391ff95b7f7634d1ee759af4a4d947fa369067ceb784

Aliases

arxiv: 0802.0828 · arxiv_version: 0802.0828v4 · doi: 10.48550/arxiv.0802.0828 · pith_short_12: ZKZO2NY2KHNE · pith_short_16: ZKZO2NY2KHNEYOY4 · pith_short_8: ZKZO2NY2

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/ZKZO2NY2KHNEYOY4HEP7SW37OY \
  | 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: cab2ed371a51da4c3b1c391ff95b7f7634d1ee759af4a4d947fa369067ceb784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "241d7addf8ee9682c84f53ebb6863eb31c1fd16c34792ff07ef32bc105151a98",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2008-02-06T19:48:56Z",
    "title_canon_sha256": "6384fb99a51ba9f3c9c7330083361182fbf0d6c6e7ee227a311fa18d88500df2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.0828",
    "kind": "arxiv",
    "version": 4
  }
}