Pith Number

pith:WQQRDBFX

pith:2011:WQQRDBFXWTZN6NGWA425BW44GE

not attested not anchored not stored refs pending

Quantum Cost Efficient Reversible BCD Adder for Nanotechnology Based Systems

Md. Saiful Islam, Mohd. Zulfiquar Hafiz, Zerina Begum

arxiv:1112.0727 v1 · 2011-12-04 · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQQRDBFXWTZN6NGWA425BW44GE}

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	2026-05-18T03:56:33.903796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4211184b7b4f2df34d60735d0db9c311dc7a09e6e00d17a2c23681af88fc923

Aliases

arxiv: 1112.0727 · arxiv_version: 1112.0727v1 · doi: 10.48550/arxiv.1112.0727 · pith_short_12: WQQRDBFXWTZN · pith_short_16: WQQRDBFXWTZN6NGW · pith_short_8: WQQRDBFX

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/WQQRDBFXWTZN6NGWA425BW44GE \
  | 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: b4211184b7b4f2df34d60735d0db9c311dc7a09e6e00d17a2c23681af88fc923

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d538716e572306a674446a00e2dc95ae7e81d5387d12e6189aec080d16ea2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2011-12-04T06:48:53Z",
    "title_canon_sha256": "f8396fbe2d9571187ca5422e14269ccde1fd25fe5f0ac6a79f698744e5f57f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0727",
    "kind": "arxiv",
    "version": 1
  }
}