Pith Number

pith:W5OEPMBZ

pith:2026:W5OEPMBZ6H7OYMUS27GWSFFLDR

not attested not anchored not stored refs pending

Temporal Validity in Retrieval Memory: Eliminating Stale-Fact Errors for AI Agents over Evolving Knowledge

Neeraj Yadav

arxiv:2606.26511 v1 · 2026-06-25 · cs.CL · cs.AI · cs.ET · 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{W5OEPMBZ6H7OYMUS27GWSFFLDR}

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	2026-06-26T01:15:33.123343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75c47b039f1feec3292d7cd6914ab1c7ec9de8123fd5eb78bdb9159ad8719e3

Aliases

arxiv: 2606.26511 · arxiv_version: 2606.26511v1 · doi: 10.48550/arxiv.2606.26511 · pith_short_12: W5OEPMBZ6H7O · pith_short_16: W5OEPMBZ6H7OYMUS · pith_short_8: W5OEPMBZ

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/W5OEPMBZ6H7OYMUS27GWSFFLDR \
  | 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: b75c47b039f1feec3292d7cd6914ab1c7ec9de8123fd5eb78bdb9159ad8719e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a9e4d8f65bbba564e0b429c1565a647480baa5b46339fcfd4b2f421ea0738ce",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.ET",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-25T01:31:53Z",
    "title_canon_sha256": "273c5932ef8237f1002e0dc590601e05b45ff9776470b6c0ed8f404c49d21f4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26511",
    "kind": "arxiv",
    "version": 1
  }
}