Pith Number

pith:QRRJDH57

pith:2026:QRRJDH577UJ6NUO6T64BZQBRIB

not attested not anchored not stored refs pending

Where Computation Lives Inside TabPFN: Causal Localisation of Attention Head Function

Atharva Gupta, Dhruv Kumar, Murari Mandal, Saurabh Deshpande

arxiv:2606.12917 v1 · 2026-06-11 · 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{QRRJDH577UJ6NUO6T64BZQBRIB}

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	2026-06-12T01:09:34.369868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8462919fbffd13e6d1de9fb81cc031405c1721ee05828bb77bf4a7524f1cf7d1

Aliases

arxiv: 2606.12917 · arxiv_version: 2606.12917v1 · doi: 10.48550/arxiv.2606.12917 · pith_short_12: QRRJDH577UJ6 · pith_short_16: QRRJDH577UJ6NUO6 · pith_short_8: QRRJDH57

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/QRRJDH577UJ6NUO6T64BZQBRIB \
  | 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: 8462919fbffd13e6d1de9fb81cc031405c1721ee05828bb77bf4a7524f1cf7d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72737a607dc29640c0763035637318930c2def8c76fd186c6985a3b8e89fe811",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-11T05:21:08Z",
    "title_canon_sha256": "8a735d4a384614e70bee3ed66fe39284598fc21527ebe0b0b34786a55f24c107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12917",
    "kind": "arxiv",
    "version": 1
  }
}