Pith Number

pith:2NNWVV3O

pith:2025:2NNWVV3OWFKFLZ7T6EM75234HE

not attested not anchored not stored refs pending

Learning Extrapolative Sequence Transformations from Markov Chains

Aleem Khan, Andrew Wang, Nicholas Andrews, Sophia Hager

arxiv:2505.20251 v1 · 2025-05-26 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NNWVV3OWFKFLZ7T6EM75234HE}

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	2026-07-05T11:09:55.062255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d35b6ad76eb15455e7f3f119feeb7c393a1f1ea39f0624771553779c57eda67a

Aliases

arxiv: 2505.20251 · arxiv_version: 2505.20251v1 · doi: 10.48550/arxiv.2505.20251 · pith_short_12: 2NNWVV3OWFKF · pith_short_16: 2NNWVV3OWFKFLZ7T · pith_short_8: 2NNWVV3O

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/2NNWVV3OWFKFLZ7T6EM75234HE \
  | 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: d35b6ad76eb15455e7f3f119feeb7c393a1f1ea39f0624771553779c57eda67a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e6529462ee8fd3e5bc530841f6912b3034c1637704e2deddbe8ae2a6f28cec4",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-26T17:27:47Z",
    "title_canon_sha256": "d3acfd19e4ab1f279523d7a14fc8e31726c9898592fe2a2ce6e60450cafa6fb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20251",
    "kind": "arxiv",
    "version": 1
  }
}