Pith Number

pith:LXJYJQ6P

pith:2019:LXJYJQ6PN73Q4JY7DRWBLV5KDI

not attested not anchored not stored refs pending

Prediction of Dashed Caf\'e Wall illusion by the Classical Receptive Field Model

David M. W. Powers, Nasim Nematzadeh

arxiv:1902.03739 v2 · 2019-02-08 · q-bio.NC · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXJYJQ6PN73Q4JY7DRWBLV5KDI}

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	2026-07-05T01:01:34.277159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dd384c3cf6ff70e271f1c6c15d7aa1a0364f2f42eed89d0eb8256d74a430fff

Aliases

arxiv: 1902.03739 · arxiv_version: 1902.03739v2 · doi: 10.48550/arxiv.1902.03739 · pith_short_12: LXJYJQ6PN73Q · pith_short_16: LXJYJQ6PN73Q4JY7 · pith_short_8: LXJYJQ6P

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/LXJYJQ6PN73Q4JY7DRWBLV5KDI \
  | 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: 5dd384c3cf6ff70e271f1c6c15d7aa1a0364f2f42eed89d0eb8256d74a430fff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a95fbfa5a94b3fdd367f7e34ab3bb3330c2d1f2d5a1a60090f8ac7ff60a24ea4",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2019-02-08T03:23:22Z",
    "title_canon_sha256": "08241cf50f8795d015d8132c08a60b3c984a8e56d2298ad9378ddfd91ea2ea76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03739",
    "kind": "arxiv",
    "version": 2
  }
}