Pith Number

pith:2Z2DDBXM

pith:2012:2Z2DDBXMRSNU7V4KEM7PWCVKRA

not attested not anchored not stored refs pending

Analysis of Finite Field Spreading for Multiple-Access Channel

Guanghui Song, Jun Cheng, Yoichiro Watanabe, Yuta Tsujii

arxiv:1203.2721 v1 · 2012-03-13 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Z2DDBXMRSNU7V4KEM7PWCVKRA}

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	2026-05-18T04:00:14.808310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6743186ec8c9b4fd78a233efb0aaa883b976bc91dee2af64075d33da060a499

Aliases

arxiv: 1203.2721 · arxiv_version: 1203.2721v1 · doi: 10.48550/arxiv.1203.2721 · pith_short_12: 2Z2DDBXMRSNU · pith_short_16: 2Z2DDBXMRSNU7V4K · pith_short_8: 2Z2DDBXM

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/2Z2DDBXMRSNU7V4KEM7PWCVKRA \
  | 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: d6743186ec8c9b4fd78a233efb0aaa883b976bc91dee2af64075d33da060a499

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0e99acb06ba5ab431b2daf1fdf252541d21797aab64999e45cb99839221116a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-13T06:18:16Z",
    "title_canon_sha256": "8e89f1b015bbc6d396848a64c11b69d5d1f3bf1f4b8d36882c7439bf1107fbf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2721",
    "kind": "arxiv",
    "version": 1
  }
}