Pith Number

pith:RAPA7OGT

pith:2013:RAPA7OGTQKGHVIAUOZUKJL6QWX

not attested not anchored not stored refs pending

A Fast Improved Fat Tree Encoder for Wave Union TDC in an FPGA

Binxiang Qi, Chengzhi Peng, Lei Zhao, Qi An, Qi Shen, Shengkai Liao, Shubin Liu, Xueye Hu

arxiv:1303.6849 v1 · 2013-03-27 · physics.ins-det · 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{RAPA7OGTQKGHVIAUOZUKJL6QWX}

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	2026-05-18T01:50:51.948644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

881e0fb8d3828c7aa0147668a4afd0b5ca564f55f01950d382a5d08ed347c731

Aliases

arxiv: 1303.6849 · arxiv_version: 1303.6849v1 · doi: 10.48550/arxiv.1303.6849 · pith_short_12: RAPA7OGTQKGH · pith_short_16: RAPA7OGTQKGHVIAU · pith_short_8: RAPA7OGT

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/RAPA7OGTQKGHVIAUOZUKJL6QWX \
  | 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: 881e0fb8d3828c7aa0147668a4afd0b5ca564f55f01950d382a5d08ed347c731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaf40a8f21535a0180159233d0c820aeca1404ce6ecd0ade71ea5a2b788c8326",
    "cross_cats_sorted": [
      "cs.AR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2013-03-27T14:56:33Z",
    "title_canon_sha256": "a78731a78a38df8d8a6b9a03b89b895ab7ca7328bf8549299394cbd1a7545688"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6849",
    "kind": "arxiv",
    "version": 1
  }
}