Pith Number

pith:2NK6IBNR

pith:2019:2NK6IBNRYTIVDWF4Q74UYYIPNV

not attested not anchored not stored refs pending

Combining nonparametric spatial context priors with nonparametric shape priors for dendritic spine segmentation in 2-photon microscopy images

Ali Ozgur Argunsah, Devrim Unay, Ertunc Erdil, Mujdat Cetin, Tolga Tasdizen

arxiv:1901.02513 v2 · 2019-01-08 · eess.IV · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NK6IBNRYTIVDWF4Q74UYYIPNV}

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	2026-05-17T23:53:49.676856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d355e405b1c4d151d8bc87f94c610f6d7c16be52f57014b046bd7f0ada961455

Aliases

arxiv: 1901.02513 · arxiv_version: 1901.02513v2 · doi: 10.48550/arxiv.1901.02513 · pith_short_12: 2NK6IBNRYTIV · pith_short_16: 2NK6IBNRYTIVDWF4 · pith_short_8: 2NK6IBNR

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/2NK6IBNRYTIVDWF4Q74UYYIPNV \
  | 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: d355e405b1c4d151d8bc87f94c610f6d7c16be52f57014b046bd7f0ada961455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "597d37df8a27c78593f77b1aa0bc5ff358f2fd5746c423d332c6869a637025fd",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-01-08T20:47:46Z",
    "title_canon_sha256": "7f182217fcfb67b1493d107db001034172dd3b7b6b465d28f5ad42a705d76f24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02513",
    "kind": "arxiv",
    "version": 2
  }
}