Pith Number

pith:D6R6WUBA

pith:2021:D6R6WUBA56F6WWF5MIAK6JYVTQ

not attested not anchored not stored refs pending

On the role of feedback in visual processing: a predictive coding perspective

Andrea Alamia, Bhavin Choksi, Milad Mozafari, Rufin VanRullen

arxiv:2106.04225 v1 · 2021-06-08 · cs.CV · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6R6WUBA56F6WWF5MIAK6JYVTQ}

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	2026-07-05T02:47:13.578051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fa3eb5020ef8beb58bd6200af27159c26412408f527cca53b4a54e492188ad0

Aliases

arxiv: 2106.04225 · arxiv_version: 2106.04225v1 · doi: 10.48550/arxiv.2106.04225 · pith_short_12: D6R6WUBA56F6 · pith_short_16: D6R6WUBA56F6WWF5 · pith_short_8: D6R6WUBA

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/D6R6WUBA56F6WWF5MIAK6JYVTQ \
  | 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: 1fa3eb5020ef8beb58bd6200af27159c26412408f527cca53b4a54e492188ad0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05dbe1618d4f3cf8014ce93458829f5b80b7da3f1b1ae045342b575e536f44c1",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-08T10:07:23Z",
    "title_canon_sha256": "3b12acfd96e4297a614b36507e839a5dd7ce500363ea1ff1f82d789e09307889"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04225",
    "kind": "arxiv",
    "version": 1
  }
}