Pith Number

pith:IUUSXM5T

pith:2023:IUUSXM5TUPR7YXR7K7A3NNK5CV

not attested not anchored not stored refs pending

Understanding and Improving Optimization in Predictive Coding Networks

Emre Neftci, Jeff Krichmar, Nick Alonso

arxiv:2305.13562 v1 · 2023-05-23 · cs.NE · 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{IUUSXM5TUPR7YXR7K7A3NNK5CV}

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	2026-07-05T06:12:54.292344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45292bb3b3a3e3fc5e3f57c1b6b55d1554d4176561174396772e4eb4d3471e20

Aliases

arxiv: 2305.13562 · arxiv_version: 2305.13562v1 · doi: 10.48550/arxiv.2305.13562 · pith_short_12: IUUSXM5TUPR7 · pith_short_16: IUUSXM5TUPR7YXR7 · pith_short_8: IUUSXM5T

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/IUUSXM5TUPR7YXR7K7A3NNK5CV \
  | 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: 45292bb3b3a3e3fc5e3f57c1b6b55d1554d4176561174396772e4eb4d3471e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117c71028c7ff1a233b0eef991a1f1e6808a31aedc91bfe6882f2c5f1334984b",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2023-05-23T00:32:26Z",
    "title_canon_sha256": "86db93d71b94b582cbbb62bb378c4f6bbbe8d36cb28c77214005465f1cdba60c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.13562",
    "kind": "arxiv",
    "version": 1
  }
}