Pith Number

pith:TGSVJSAI

pith:2021:TGSVJSAIMSK5GB4MJCWPEKQNW6

not attested not anchored not stored refs pending

Neighborhood Contrastive Learning for Novel Class Discovery

Elisa Ricci, Enrico Fini, Nicu Sebe, Subhankar Roy, Zhiming Luo, Zhun Zhong

arxiv:2106.10731 v1 · 2021-06-20 · cs.CV · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TGSVJSAIMSK5GB4MJCWPEKQNW6}

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	2026-07-05T02:50:52.735816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99a554c8086495d3078c48acf22a0db7b03f2ad0c3e7003cbb9708d412c84ce3

Aliases

arxiv: 2106.10731 · arxiv_version: 2106.10731v1 · doi: 10.48550/arxiv.2106.10731 · pith_short_12: TGSVJSAIMSK5 · pith_short_16: TGSVJSAIMSK5GB4M · pith_short_8: TGSVJSAI

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/TGSVJSAIMSK5GB4MJCWPEKQNW6 \
  | 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: 99a554c8086495d3078c48acf22a0db7b03f2ad0c3e7003cbb9708d412c84ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccf9cfaab8644090a47d99e1aa1cdcf6ceacb7a5df6ba3ef7f50c59e64d79e32",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-20T17:34:55Z",
    "title_canon_sha256": "6de714423dd879e346fc7191cc8a0a93cab5250eb5d2f25c24d3802ba6e995d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10731",
    "kind": "arxiv",
    "version": 1
  }
}