Pith Number

pith:MQCRXTMQ

pith:2023:MQCRXTMQ77APEK74H72W5XMCRA

not attested not anchored not stored refs pending

Learning a Depth Covariance Function

Andrew J. Davison, Eric Dexheimer

arxiv:2303.12157 v2 · 2023-03-21 · cs.CV · cs.LG · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQCRXTMQ77APEK74H72W5XMCRA}

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	2026-07-05T07:59:02.193228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64051bcd90ffc0f22bfc3ff56edd82882a0bcf103d839913dbf896f225772734

Aliases

arxiv: 2303.12157 · arxiv_version: 2303.12157v2 · doi: 10.48550/arxiv.2303.12157 · pith_short_12: MQCRXTMQ77AP · pith_short_16: MQCRXTMQ77APEK74 · pith_short_8: MQCRXTMQ

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/MQCRXTMQ77APEK74H72W5XMCRA \
  | 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: 64051bcd90ffc0f22bfc3ff56edd82882a0bcf103d839913dbf896f225772734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "329e3dd8d463f1c4b94872816838d5a53d0d1c7f667e3bed334538bfcf0761fb",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-21T19:34:20Z",
    "title_canon_sha256": "79c5eb3844a59f7f98919c405ad427570533cc24bc9be7d2b20ee4c06766970c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.12157",
    "kind": "arxiv",
    "version": 2
  }
}