Pith Number

pith:WDH2FBJN

pith:2005:WDH2FBJNK5D2554GNWG6XMTG35

not attested not anchored not stored refs pending

Fading-Resilient Super-Orthogonal Space-Time Signal Sets: Can Good Constellations Survive in Fading?

Dumitru Mihai Ionescu, Zhiyuan Yan

arxiv:cs/0505049 v1 · 2005-05-18 · 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{WDH2FBJNK5D2554GNWG6XMTG35}

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	2026-05-18T04:14:06.244194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0cfa2852d5747aef7866d8debb266df4e00533bc29856298de0816f83a0b172

Aliases

arxiv: cs/0505049 · arxiv_version: cs/0505049v1 · doi: 10.48550/arxiv.cs/0505049 · pith_short_12: WDH2FBJNK5D2 · pith_short_16: WDH2FBJNK5D2554G · pith_short_8: WDH2FBJN

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/WDH2FBJNK5D2554GNWG6XMTG35 \
  | 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: b0cfa2852d5747aef7866d8debb266df4e00533bc29856298de0816f83a0b172

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "303a75312fa96843639a031f598914dd4f014dc23e1f72636ec7f46900159d82",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2005-05-18T21:16:27Z",
    "title_canon_sha256": "d222bde4c056d0901dd7defc445ea686a8265f764ba37de572c9842327852fa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0505049",
    "kind": "arxiv",
    "version": 1
  }
}