Pith Number

pith:EPV2IGL5

pith:2012:EPV2IGL5HROSPH5NPR27CPOEG2

not attested not anchored not stored refs pending

Atoms confined by very thin layers

Matej Tusek

arxiv:1205.2260 v2 · 2012-05-10 · math-ph · math.MP · 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{EPV2IGL5HROSPH5NPR27CPOEG2}

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	2026-05-18T02:48:53.359599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23eba4197d3c5d279fad7c75f13dc436bb22f39cf35511df63f06430b9d72fad

Aliases

arxiv: 1205.2260 · arxiv_version: 1205.2260v2 · doi: 10.48550/arxiv.1205.2260 · pith_short_12: EPV2IGL5HROS · pith_short_16: EPV2IGL5HROSPH5N · pith_short_8: EPV2IGL5

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/EPV2IGL5HROSPH5NPR27CPOEG2 \
  | 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: 23eba4197d3c5d279fad7c75f13dc436bb22f39cf35511df63f06430b9d72fad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5397a56357c0810aa86ea788cb2ab14b3edab2287ba3e8a28ce62f8236ee92c5",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-05-10T13:42:00Z",
    "title_canon_sha256": "0f05642c3139246e32ad2994e9640c2aa6ad8f890f3580c1e44f24b8a784cf6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2260",
    "kind": "arxiv",
    "version": 2
  }
}