Pith Number

pith:NVPYNAOA

pith:2021:NVPYNAOAKIYDB44JOK6FY4GF54

not attested not anchored not stored refs pending

Voxel-level Importance Maps for Interpretable Brain Age Estimation

Alexander Hammers, Daniel Rueckert, Kyriaki-Margarita Bintsi, Vasileios Baltatzis

arxiv:2108.05388 v1 · 2021-08-11 · eess.IV · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NVPYNAOAKIYDB44JOK6FY4GF54}

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	2026-07-05T03:09:13.045952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d5f8681c0523030f38972bc5c70c5ef246dd744671fa6fa100e7417e9ba6a74

Aliases

arxiv: 2108.05388 · arxiv_version: 2108.05388v1 · doi: 10.48550/arxiv.2108.05388 · pith_short_12: NVPYNAOAKIYD · pith_short_16: NVPYNAOAKIYDB44J · pith_short_8: NVPYNAOA

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/NVPYNAOAKIYDB44JOK6FY4GF54 \
  | 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: 6d5f8681c0523030f38972bc5c70c5ef246dd744671fa6fa100e7417e9ba6a74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c27c24aa0e0152248b5a05aeb348909269be9d93a7b91edc4d8444ef0cacf14",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-08-11T18:08:09Z",
    "title_canon_sha256": "d5f6726c17135abf62e459bcc4d02d96a7ea79b5047eed63930a6e941d1c04ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.05388",
    "kind": "arxiv",
    "version": 1
  }
}