Pith Number

pith:JMMDJ3RG

pith:2025:JMMDJ3RGQJ3TMIW6GPFOF7DEZ6

not attested not anchored not stored refs pending

A Completely Blind Channel Estimation Technique for OFDM Using Constellation Splitting

D. K. Mehra, Sameera Bharadwaja H.

arxiv:2508.02698 v1 · 2025-07-27 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMMDJ3RGQJ3TMIW6GPFOF7DEZ6}

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	2026-07-05T11:48:29.317565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b1834ee2682773622de33cae2fc64cf915691a6e6fe7eba1cd2c1b1a24ee7fe

Aliases

arxiv: 2508.02698 · arxiv_version: 2508.02698v1 · doi: 10.48550/arxiv.2508.02698 · pith_short_12: JMMDJ3RGQJ3T · pith_short_16: JMMDJ3RGQJ3TMIW6 · pith_short_8: JMMDJ3RG

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/JMMDJ3RGQJ3TMIW6GPFOF7DEZ6 \
  | 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: 4b1834ee2682773622de33cae2fc64cf915691a6e6fe7eba1cd2c1b1a24ee7fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c5537fc7302639cc4d804dfde31008267bbdbcafe65efa7c8ed3ecd607742e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-07-27T16:57:23Z",
    "title_canon_sha256": "0a27184dcc3a41f09d95dde9e4e421243a6a3f85a102937a09cd4e5730648960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.02698",
    "kind": "arxiv",
    "version": 1
  }
}