Pith Number

pith:IMRBRSGQ

pith:2013:IMRBRSGQV76WT3SOYY7J7B4QKJ

not attested not anchored not stored refs pending

The sign rule and beyond: Boundary effects, flexibility, and noise correlations in neural population codes

Eric Shea-Brown, Joel Zylberberg, Yu Hu

arxiv:1307.3235 v4 · 2013-07-11 · 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{IMRBRSGQV76WT3SOYY7J7B4QKJ}

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	2026-05-18T01:48:51.500094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

432218c8d0affd69ee4ec63e9f8790526c82f97ab80abcfc45b97e30d1b33329

Aliases

arxiv: 1307.3235 · arxiv_version: 1307.3235v4 · doi: 10.48550/arxiv.1307.3235 · pith_short_12: IMRBRSGQV76W · pith_short_16: IMRBRSGQV76WT3SO · pith_short_8: IMRBRSGQ

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/IMRBRSGQV76WT3SOYY7J7B4QKJ \
  | 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: 432218c8d0affd69ee4ec63e9f8790526c82f97ab80abcfc45b97e30d1b33329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "291d5b043f73da9d14200a6342195cadc5e4e1ab7c40bcea514e8bfdee9e0587",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2013-07-11T19:52:20Z",
    "title_canon_sha256": "f7cc5ca72b4d7940789bd240092785a691174bddbe812b04bd03837fdf3d1855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3235",
    "kind": "arxiv",
    "version": 4
  }
}