Pith Number

pith:PABGMUB6

pith:2025:PABGMUB6GKIHOBNLHM4B6POHSK

not attested not anchored not stored refs pending

Filter Equivariant Functions: A symmetric account of length-general extrapolation on lists

Andrew Dudzik, Christos Perivolaropoulos, Neil Ghani, Owen Lewis, Petar Veli\v{c}kovi\'c, Razvan Pascanu

arxiv:2507.08796 v1 · 2025-07-11 · cs.PL · 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{PABGMUB6GKIHOBNLHM4B6POHSK}

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	2026-07-05T11:35:46.520455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

780266503e32907705ab3b381f3dc7929c9d05816d52df5c1dc30fea767cca50

Aliases

arxiv: 2507.08796 · arxiv_version: 2507.08796v1 · doi: 10.48550/arxiv.2507.08796 · pith_short_12: PABGMUB6GKIH · pith_short_16: PABGMUB6GKIHOBNL · pith_short_8: PABGMUB6

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/PABGMUB6GKIHOBNLHM4B6POHSK \
  | 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: 780266503e32907705ab3b381f3dc7929c9d05816d52df5c1dc30fea767cca50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfed450828a3b96dfa71e59656d3a4279c64759c29ec6542de68c2f1dd60d7d9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2025-07-11T17:57:16Z",
    "title_canon_sha256": "e12f25ff4617dde2078b2baa7328ef53f59f42222457de73cdce8c67cbf802b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08796",
    "kind": "arxiv",
    "version": 1
  }
}