Pith Number

pith:GKSDDXIS

pith:2019:GKSDDXISQ5P27BSTUDF7346BDR

not attested not anchored not stored refs pending

Neuroscience-inspired online unsupervised learning algorithms

Cengiz Pehlevan, Dmitri B. Chklovskii

arxiv:1908.01867 v2 · 2019-08-05 · q-bio.NC · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GKSDDXISQ5P27BSTUDF7346BDR}

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	2026-07-05T00:03:00.161215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32a431dd12875faf8653a0cbfdf3c11c5859b33859aca2d9eaee559eb1dfa5c4

Aliases

arxiv: 1908.01867 · arxiv_version: 1908.01867v2 · doi: 10.48550/arxiv.1908.01867 · pith_short_12: GKSDDXISQ5P2 · pith_short_16: GKSDDXISQ5P27BST · pith_short_8: GKSDDXIS

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/GKSDDXISQ5P27BSTUDF7346BDR \
  | 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: 32a431dd12875faf8653a0cbfdf3c11c5859b33859aca2d9eaee559eb1dfa5c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59d6334e6e3b9e816e31376f70038f7fa5db7bca4bd3e516cb26645b85faf71f",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2019-08-05T21:30:35Z",
    "title_canon_sha256": "fcc458957ccc1db1d2c0e6bf21fd4bd45de8cf5264913dda1546c16ffea5a93d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01867",
    "kind": "arxiv",
    "version": 2
  }
}