Pith Number

pith:PBO7OLTJ

pith:2019:PBO7OLTJRLZMJDNWKHFDXP6MOF

not attested not anchored not stored refs pending

Unsupervised predictive coding models may explain visual brain representation

Marcio Fonseca

arxiv:1907.00441 v1 · 2019-06-30 · q-bio.NC · 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{PBO7OLTJRLZMJDNWKHFDXP6MOF}

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	2026-05-17T23:41:51.701436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

785df72e698af2c48db651ca3bbfcc714622d0a6b2a0c3154745924e73d25f9a

Aliases

arxiv: 1907.00441 · arxiv_version: 1907.00441v1 · doi: 10.48550/arxiv.1907.00441 · pith_short_12: PBO7OLTJRLZM · pith_short_16: PBO7OLTJRLZMJDNW · pith_short_8: PBO7OLTJ

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/PBO7OLTJRLZMJDNWKHFDXP6MOF \
  | 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: 785df72e698af2c48db651ca3bbfcc714622d0a6b2a0c3154745924e73d25f9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d30820d6b35612855a075475bc8f75e2543c34e6fa80b061626481cd339e194",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2019-06-30T19:53:32Z",
    "title_canon_sha256": "bcbff199dc8a9d14396c2d835936a908fd30e4e957e5dc7fca8f8f0c996866e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00441",
    "kind": "arxiv",
    "version": 1
  }
}