Pith Number

pith:H4AMORQK

pith:2017:H4AMORQKGKNOKO2JU6ATHFHX37

not attested not anchored not stored refs pending

A compressive channel estimation technique robust to synchronization impairments

Nitin Jonathan Myers, Robert W. Heath Jr

arxiv:1707.09441 v1 · 2017-07-29 · 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{H4AMORQKGKNOKO2JU6ATHFHX37}

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	2026-05-18T00:14:16.391340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f00c7460a329ae53b49a7813394f7dfd1f678a7852c1f73fd66a9c722372577

Aliases

arxiv: 1707.09441 · arxiv_version: 1707.09441v1 · doi: 10.48550/arxiv.1707.09441 · pith_short_12: H4AMORQKGKNO · pith_short_16: H4AMORQKGKNOKO2J · pith_short_8: H4AMORQK

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/H4AMORQKGKNOKO2JU6ATHFHX37 \
  | 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: 3f00c7460a329ae53b49a7813394f7dfd1f678a7852c1f73fd66a9c722372577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bb70d84b4d844acfefd70dc6484a3f6b7dc6f3aa1665a5cf67ef9621cdaaac9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-07-29T00:21:54Z",
    "title_canon_sha256": "9fbce3a53fccd804d4e9b432d2e85700c300eadc8cbd0beddc31f01d736aec2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09441",
    "kind": "arxiv",
    "version": 1
  }
}