Pith Number

pith:JLDQHHA6

pith:2026:JLDQHHA6SEZGHHY5X32E7G5FQB

not attested not anchored not stored refs pending

Unsupervised Features Mining via Activation Geometry

Amit Levi, Elad David, Max Fomin

arxiv:2607.04222 v1 · 2026-07-05 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLDQHHA6SEZGHHY5X32E7G5FQB}

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	2026-07-07T02:19:03.769526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ac7039c1e9132639f1dbef44f9ba5807a71ed03f26a98212a7a9a051b3ae1c8

Aliases

arxiv: 2607.04222 · arxiv_version: 2607.04222v1 · doi: 10.48550/arxiv.2607.04222 · pith_short_12: JLDQHHA6SEZG · pith_short_16: JLDQHHA6SEZGHHY5 · pith_short_8: JLDQHHA6

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/JLDQHHA6SEZGHHY5X32E7G5FQB \
  | 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: 4ac7039c1e9132639f1dbef44f9ba5807a71ed03f26a98212a7a9a051b3ae1c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be95c72c545aae89222e47f869942815219f4e0e106eaab58d72ebd38852f33d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-05T10:28:04Z",
    "title_canon_sha256": "80e37c7688b02addeb1efa4ae5756c0a6891953cad7a20daeac847bdcb4fa485"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04222",
    "kind": "arxiv",
    "version": 1
  }
}