Pith Number

pith:ERCSMM3U

pith:2020:ERCSMM3UOELS25DI4FHDY7SRDB

not attested not anchored not stored refs pending

Self-Supervised Visual Representation Learning from Hierarchical Grouping

Michael Maire, Xiao Zhang

arxiv:2012.03044 v1 · 2020-12-05 · 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{ERCSMM3UOELS25DI4FHDY7SRDB}

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	2026-07-05T01:57:25.247624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244526337471172d7468e14e3c7e511856f78126fe057309c5fbc3b2a041bffb

Aliases

arxiv: 2012.03044 · arxiv_version: 2012.03044v1 · doi: 10.48550/arxiv.2012.03044 · pith_short_12: ERCSMM3UOELS · pith_short_16: ERCSMM3UOELS25DI · pith_short_8: ERCSMM3U

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/ERCSMM3UOELS25DI4FHDY7SRDB \
  | 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: 244526337471172d7468e14e3c7e511856f78126fe057309c5fbc3b2a041bffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f179c22a6024820c363f0c59ba69b4d1c4de78da6528c0f710cb4d3d680e1df4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-05T14:54:08Z",
    "title_canon_sha256": "56f81abecec6c7075299c2692e54e8fca90d24ad038ea09856b2fa05cd57b464"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03044",
    "kind": "arxiv",
    "version": 1
  }
}