Pith Number

pith:BMEVJF7L

pith:2021:BMEVJF7LTQYQ7LO6SMYPRFZ6BX

not attested not anchored not stored refs pending

Cell-Free Symbiotic Radio: Channel Estimation Method and Achievable Rate Analysis

Jingran Xu, Ruoguang Li, Shi Jin, Yong Zeng, Zhuoyin Dai

arxiv:2106.06148 v1 · 2021-06-11 · 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{BMEVJF7LTQYQ7LO6SMYPRFZ6BX}

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	2026-07-05T02:48:26.746938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b095497eb9c310fadde9330f8973e0dd8205e18801de5636b9b306c9295b62d

Aliases

arxiv: 2106.06148 · arxiv_version: 2106.06148v1 · doi: 10.48550/arxiv.2106.06148 · pith_short_12: BMEVJF7LTQYQ · pith_short_16: BMEVJF7LTQYQ7LO6 · pith_short_8: BMEVJF7L

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/BMEVJF7LTQYQ7LO6SMYPRFZ6BX \
  | 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: 0b095497eb9c310fadde9330f8973e0dd8205e18801de5636b9b306c9295b62d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "238d6b63982b429afdf24749bfb9c242d7591f2e1065a1c6b808fd1b60c290da",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-06-11T03:23:35Z",
    "title_canon_sha256": "0f61a30a53ce31fb5fd2e1b57daaecd667c0fcfd19d9d894158df0949b4799ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.06148",
    "kind": "arxiv",
    "version": 1
  }
}