Pith Number

pith:EDCUG5WD

pith:2026:EDCUG5WDMQ6FT3BSDTTAHKERKA

not attested not anchored not stored refs pending

Geometric Evolution Maps: Extracting Stable Concept Probes from Transformer Residual Streams

James Henry

arxiv:2605.25848 v1 · 2026-05-25 · cs.LG · 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{EDCUG5WDMQ6FT3BSDTTAHKERKA}

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	2026-05-26T02:05:15.126800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20c54376c3643c59ec321ce603a89150351fb210a7930b0092db253a558cf11d

Aliases

arxiv: 2605.25848 · arxiv_version: 2605.25848v1 · doi: 10.48550/arxiv.2605.25848 · pith_short_12: EDCUG5WDMQ6F · pith_short_16: EDCUG5WDMQ6FT3BS · pith_short_8: EDCUG5WD

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/EDCUG5WDMQ6FT3BSDTTAHKERKA \
  | 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: 20c54376c3643c59ec321ce603a89150351fb210a7930b0092db253a558cf11d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c916b62953acfd88b670f1d06e19985577aaf7f1b71bea4a8ffcbf3281f3a00",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-25T13:40:15Z",
    "title_canon_sha256": "8da729332d9667fd165febfa0aae2036a0a8cd8ca556f9b50dc2eda174bd4a51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25848",
    "kind": "arxiv",
    "version": 1
  }
}