Pith Number

pith:3CK5U3XZ

pith:2012:3CK5U3XZ5K3X2KRKA25NDLFHXU

not attested not anchored not stored refs pending

An 8-bit carry look-ahead adder with 150 ps latency and sub-microwatt power dissipation at 10 GHz

Anna Y. Herr, John X. Przybysz, Ofer Naaman, Oliver T. Oberg, Pavel Borodulin, Quentin P. Herr, Steven B. Shauck

arxiv:1212.2994 v1 · 2012-12-12 · quant-ph · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CK5U3XZ5K3X2KRKA25NDLFHXU}

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	2026-05-18T01:52:39.253679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d895da6ef9eab77d2a2a06bad1aca7bd3e97d421450d78bcd437dc3291d4b809

Aliases

arxiv: 1212.2994 · arxiv_version: 1212.2994v1 · doi: 10.48550/arxiv.1212.2994 · pith_short_12: 3CK5U3XZ5K3X · pith_short_16: 3CK5U3XZ5K3X2KRK · pith_short_8: 3CK5U3XZ

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/3CK5U3XZ5K3X2KRKA25NDLFHXU \
  | 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: d895da6ef9eab77d2a2a06bad1aca7bd3e97d421450d78bcd437dc3291d4b809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5afece0590b919339d40b56201f3bca60086a46121710f724b6cfc69f556cd20",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-12T21:52:43Z",
    "title_canon_sha256": "d534a7a513fcaf10c6fffc42ef78a8db835d71e658c439b316313d053f69aa5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2994",
    "kind": "arxiv",
    "version": 1
  }
}