Pith Number

pith:OI6I7D5O

pith:2017:OI6I7D5O7BQCJMD6CAZFTFJPEL

not attested not anchored not stored refs pending

Object categorization in finer levels requires higher spatial frequencies, and therefore takes longer

Matin N. Ashtiani, Mohammad Ganjtabesh, Saeed Reza Kheradpisheh, Timoth\'ee Masquelier

arxiv:1703.09990 v1 · 2017-03-29 · 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{OI6I7D5O7BQCJMD6CAZFTFJPEL}

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	2026-05-18T00:21:41.166833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

723c8f8faef86024b07e103259952f22ed6162541fc2d963d8ae65f84838cc5e

Aliases

arxiv: 1703.09990 · arxiv_version: 1703.09990v1 · doi: 10.48550/arxiv.1703.09990 · pith_short_12: OI6I7D5O7BQC · pith_short_16: OI6I7D5O7BQCJMD6 · pith_short_8: OI6I7D5O

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/OI6I7D5O7BQCJMD6CAZFTFJPEL \
  | 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: 723c8f8faef86024b07e103259952f22ed6162541fc2d963d8ae65f84838cc5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26ac0620bf4e33d1f0beafeaa9ffc8143ec878efb8e61a5aaa8f46f8da1e84ba",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2017-03-29T12:03:21Z",
    "title_canon_sha256": "926d4e4e2f726fd99727b412657a20539a2615ccf1e597b11d893624c9c71b3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09990",
    "kind": "arxiv",
    "version": 1
  }
}