Pith Number

pith:NKETMAQM

pith:2016:NKETMAQML3WUIHDMBKSXY54MSW

not attested not anchored not stored refs pending

Exact Calculation of Noise Maps and g-Factor in GRAPPA using a k-space Analysis

Carlos Alberola-L\'opez, Diego Hernando, I\~naki Rabanillo, Santiago Aja-Fern\'andez

arxiv:1610.07843 v1 · 2016-10-25 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKETMAQML3WUIHDMBKSXY54MSW}

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	2026-05-18T01:01:17.412304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a8936020c5eed441c6c0aa57c778c95af43dc935f27fdef4d54da99564747a5

Aliases

arxiv: 1610.07843 · arxiv_version: 1610.07843v1 · doi: 10.48550/arxiv.1610.07843 · pith_short_12: NKETMAQML3WU · pith_short_16: NKETMAQML3WUIHDM · pith_short_8: NKETMAQM

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/NKETMAQML3WUIHDMBKSXY54MSW \
  | 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: 6a8936020c5eed441c6c0aa57c778c95af43dc935f27fdef4d54da99564747a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86d803471e8810a3fe96ee9fc18a1ecb01736bac7cb3eaa12c81262c13cbb149",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2016-10-25T12:26:57Z",
    "title_canon_sha256": "fe34def57265c28f76bbf620a000a9ec85667b7b44f8d078fae6a97794b5dfe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07843",
    "kind": "arxiv",
    "version": 1
  }
}