Pith Number

pith:26X3V2DO

pith:2021:26X3V2DOXTARJPBXVO7A2VSURO

not attested not anchored not stored refs pending

Region Similarity Representation Learning

Colorado J Reed, Kurt Keutzer, Tete Xiao, Trevor Darrell, Xiaolong Wang

arxiv:2103.12902 v2 · 2021-03-24 · 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{26X3V2DOXTARJPBXVO7A2VSURO}

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	2026-07-05T03:07:05.746126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7afbae86ebcc114bc37abbe0d56548bbe1ee1ea191fd359f67f0cbd93bbc2f2

Aliases

arxiv: 2103.12902 · arxiv_version: 2103.12902v2 · doi: 10.48550/arxiv.2103.12902 · pith_short_12: 26X3V2DOXTAR · pith_short_16: 26X3V2DOXTARJPBX · pith_short_8: 26X3V2DO

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/26X3V2DOXTARJPBXVO7A2VSURO \
  | 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: d7afbae86ebcc114bc37abbe0d56548bbe1ee1ea191fd359f67f0cbd93bbc2f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "026b4c3ab8aa2f0e7dd390f0ffed2c4ac121204889eb3ce3fe38ba88f0427642",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-24T00:42:37Z",
    "title_canon_sha256": "d22e55ca901359ca054a0be74f148f38b80f67847b89f30e9dbe336cdef53eeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12902",
    "kind": "arxiv",
    "version": 2
  }
}