Pith Number

pith:JDV2I7IK

pith:2017:JDV2I7IKGNQLRQBDQN3E34YUKN

not attested not anchored not stored refs pending

Cram\'er-Rao Bounds for Blind Multichannel Estimation

Dirk Slock, Elisabeth de Carvalho

arxiv:1710.01605 v1 · 2017-10-04 · cs.IT · eess.SP · 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{JDV2I7IKGNQLRQBDQN3E34YUKN}

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	2026-05-18T00:10:11.273007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48eba47d0a3360b8c02383764df314536a596b55d8f992fa7f1811de3e832bbf

Aliases

arxiv: 1710.01605 · arxiv_version: 1710.01605v1 · doi: 10.48550/arxiv.1710.01605 · pith_short_12: JDV2I7IKGNQL · pith_short_16: JDV2I7IKGNQLRQBD · pith_short_8: JDV2I7IK

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/JDV2I7IKGNQLRQBDQN3E34YUKN \
  | 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: 48eba47d0a3360b8c02383764df314536a596b55d8f992fa7f1811de3e832bbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c69d7c43570a1af8d2d24a39b417dfcb8a0301ce7091e3c14aaf31660117de56",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-04T13:47:41Z",
    "title_canon_sha256": "12d7f46e732cc63d2c1550a94653cee9ea90624d80fab0079d452347fa6f544b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01605",
    "kind": "arxiv",
    "version": 1
  }
}