Pith Number

pith:M2TJGGPG

pith:2007:M2TJGGPG65BTKJPR2MDMPDAITA

not attested not anchored not stored refs pending

Blind Estimation of Multiple Carrier Frequency Offsets

Athina P. Petropulu, H. Vincent Poor, Visa Koivunen, Yuanning Yu

arxiv:0707.0463 v1 · 2007-07-03 · 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{M2TJGGPG65BTKJPR2MDMPDAITA}

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	2026-05-18T00:58:02.353621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a69319e6f7433525f1d306c78c08983b3b1ed5ad6fa613f1bf71edeb59010a

Aliases

arxiv: 0707.0463 · arxiv_version: 0707.0463v1 · doi: 10.48550/arxiv.0707.0463 · pith_short_12: M2TJGGPG65BT · pith_short_16: M2TJGGPG65BTKJPR · pith_short_8: M2TJGGPG

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/M2TJGGPG65BTKJPR2MDMPDAITA \
  | 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: 66a69319e6f7433525f1d306c78c08983b3b1ed5ad6fa613f1bf71edeb59010a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8dbedaa5b8ff04a3e6fc62829bc8b8bec88560e983dddb27906bf6b1302c6e7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-07-03T16:58:43Z",
    "title_canon_sha256": "8872e379e1c55acac566844a1b5f12568b910bfc43f91c573558de5d103ea47b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.0463",
    "kind": "arxiv",
    "version": 1
  }
}