pith. sign in
Pith Number

pith:2QX4NFEC

pith:2011:2QX4NFECUWSTDXYKFDG6UR22MD
not attested not anchored not stored refs pending

Sliding Trellis-Based Frame Synchronization

Michel Kieffer (LTCI), Pierre Duhamel, Usman Ali

arxiv:1108.5705 v1 · 2011-08-29 · cs.NI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2QX4NFECUWSTDXYKFDG6UR22MD}

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 2026-05-18T00:59:10.186088Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d42fc69482a5a531df0a28cdea475a60c6c3b9f36e1f470e6b132f609218c4a8

Aliases

arxiv: 1108.5705 · arxiv_version: 1108.5705v1 · doi: 10.48550/arxiv.1108.5705 · pith_short_12: 2QX4NFECUWST · pith_short_16: 2QX4NFECUWSTDXYK · pith_short_8: 2QX4NFEC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2QX4NFECUWSTDXYKFDG6UR22MD \
  | 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: d42fc69482a5a531df0a28cdea475a60c6c3b9f36e1f470e6b132f609218c4a8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "84dd93d640bd09e8d9431f1424503a0b37fb428ce6ff4b48730c81eb2c40c048",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2011-08-29T19:03:08Z",
    "title_canon_sha256": "6834f4ddf06d4bb193829cb33f37edb70f7ab7e0613c319c3c0a1d684fb24dbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5705",
    "kind": "arxiv",
    "version": 1
  }
}