Pith Number

pith:KLLAQ2CV

pith:2021:KLLAQ2CVUPTTM7QIN3VN2STXDB

not attested not anchored not stored refs pending

PialNN: A Fast Deep Learning Framework for Cortical Pial Surface Reconstruction

Amir Alansary, Bernhard Kainz, Daniel Rueckert, Emma C. Robinson, Qiang Ma

arxiv:2109.03693 v1 · 2021-09-06 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLLAQ2CVUPTTM7QIN3VN2STXDB}

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	2026-07-05T03:12:42.139260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52d6086855a3e7367e086eeadd4a7718469d00b7867e4282c0755b718b2698d9

Aliases

arxiv: 2109.03693 · arxiv_version: 2109.03693v1 · doi: 10.48550/arxiv.2109.03693 · pith_short_12: KLLAQ2CVUPTT · pith_short_16: KLLAQ2CVUPTTM7QI · pith_short_8: KLLAQ2CV

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/KLLAQ2CVUPTTM7QIN3VN2STXDB \
  | 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: 52d6086855a3e7367e086eeadd4a7718469d00b7867e4282c0755b718b2698d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76591266600ade5675ba5df9019a3ccddb50fb09a997838c866bc2f9b35bc730",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-09-06T22:40:50Z",
    "title_canon_sha256": "8c667dcafe5dbafcee38950eecfa39120c1234bf4a7d22b32fa33af69b120963"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03693",
    "kind": "arxiv",
    "version": 1
  }
}