pith. sign in
Pith Number

pith:2QGHWSWJ

pith:2009:2QGHWSWJFJ2FUWSYAWWE6HRNGR
not attested not anchored not stored refs pending

Bits Through Deterministic Relay Cascades with Half-Duplex Constraint

Christoph Hausl, Ralf K\"otter, Tobias Lutz

arxiv:0906.1599 v3 · 2009-06-08 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2QGHWSWJFJ2FUWSYAWWE6HRNGR}

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 2026-05-18T00:58:48.064630Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d40c7b4ac92a745a5a5805ac4f1e2d3478965e27ef3df3ffab16c6c16d32b8c8

Aliases

arxiv: 0906.1599 · arxiv_version: 0906.1599v3 · doi: 10.48550/arxiv.0906.1599 · pith_short_12: 2QGHWSWJFJ2F · pith_short_16: 2QGHWSWJFJ2FUWSY · pith_short_8: 2QGHWSWJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2QGHWSWJFJ2FUWSYAWWE6HRNGR \
  | 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: d40c7b4ac92a745a5a5805ac4f1e2d3478965e27ef3df3ffab16c6c16d32b8c8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "21ed9de394fbb28ac3bc82d9b80fb7a5e7dd4194de41717d408d2875e60d2350",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-06-08T21:39:44Z",
    "title_canon_sha256": "04c9730c5e550b29f66bf1a56aa1f6b3a32ccdb641e22cd0b762f0d7c572cb2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1599",
    "kind": "arxiv",
    "version": 3
  }
}