Pith Number

pith:YFQBZVMY

pith:2026:YFQBZVMY2IGLK2SMXGASKJERKV

not attested not anchored not stored refs pending

Towards a Formal Definition of Agent Memory: Basis, Span, Optimality, and the Sequential Memory Problem

Hongyao Tang

arxiv:2608.11654 v1 · 2026-08-12 · 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{YFQBZVMY2IGLK2SMXGASKJERKV}

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	2026-08-13T01:27:13.854749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1601cd598d20cb56a4cb98125249155556f6e24349f4c5281fcfb6b3144bf18

Aliases

arxiv: 2608.11654 · arxiv_version: 2608.11654v1 · doi: 10.48550/arxiv.2608.11654 · pith_short_12: YFQBZVMY2IGL · pith_short_16: YFQBZVMY2IGLK2SM · pith_short_8: YFQBZVMY

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/YFQBZVMY2IGLK2SMXGASKJERKV \
  | 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: c1601cd598d20cb56a4cb98125249155556f6e24349f4c5281fcfb6b3144bf18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28da599d60e1a99187d3c85e3db9029622cdb535355de34be1bb1d5cb80be57e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-12T04:54:26Z",
    "title_canon_sha256": "e7afe255c626bf9b2f8efe24822df575333168d2588d453d4552b0793adb6c97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.11654",
    "kind": "arxiv",
    "version": 1
  }
}