Pith Number

pith:DWAW7WLN

pith:2014:DWAW7WLN57O34DH3OUEG2NQMSL

not attested not anchored not stored refs pending

Compressed optimization of device architectures

Adam Frees, Daniel R. Ward, John King Gamble, M. A. Eriksson, Mark Friesen, Robin Blume-Kohout, S. N. Coppersmith

arxiv:1409.3846 v4 · 2014-09-12 · cond-mat.mes-hall · quant-ph

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

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	2026-05-18T00:12:51.021164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d816fd96defddbe0cfb75086d360c92ff0bc8e8dbdcdfb3d749425b70470ce0

Aliases

arxiv: 1409.3846 · arxiv_version: 1409.3846v4 · doi: 10.48550/arxiv.1409.3846 · pith_short_12: DWAW7WLN57O3 · pith_short_16: DWAW7WLN57O34DH3 · pith_short_8: DWAW7WLN

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/DWAW7WLN57O34DH3OUEG2NQMSL \
  | 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: 1d816fd96defddbe0cfb75086d360c92ff0bc8e8dbdcdfb3d749425b70470ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ffd0eaac74fff7df3ca98dd45394ac1be31fee0141a9cf36bc4ab3cd71281fb",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-09-12T20:00:23Z",
    "title_canon_sha256": "3141938159fbe5c3a896136ff33158be64418a8e29d9fb578af69a64221ab648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3846",
    "kind": "arxiv",
    "version": 4
  }
}