Pith Number

pith:ZUI27RJX

pith:2026:ZUI27RJX3UKZPLZ2BPUC2UI7FJ

not attested not anchored not stored refs pending

Hierarchical Compositionality for An Assistive AI Agent

Mohan Sridharan, Tianyi Fu

arxiv:2608.10330 v1 · 2026-08-11 · 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{ZUI27RJX3UKZPLZ2BPUC2UI7FJ}

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	2026-08-12T00:23:53.435114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd11afc537dd1597af3a0be82d511f2a7843815a1a6ac1ab0d7b73cc8eb0990b

Aliases

arxiv: 2608.10330 · arxiv_version: 2608.10330v1 · doi: 10.48550/arxiv.2608.10330 · pith_short_12: ZUI27RJX3UKZ · pith_short_16: ZUI27RJX3UKZPLZ2 · pith_short_8: ZUI27RJX

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/ZUI27RJX3UKZPLZ2BPUC2UI7FJ \
  | 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: cd11afc537dd1597af3a0be82d511f2a7843815a1a6ac1ab0d7b73cc8eb0990b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117417669748f9a1db74c0c52c736bde16087c3201eed88ac965990cec9fb7cb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-11T00:17:56Z",
    "title_canon_sha256": "58e1176bf71810c3d9ce7c9185b75a1e53add0b4b516fd77a023c4b8ca1eebe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10330",
    "kind": "arxiv",
    "version": 1
  }
}