Pith Number

pith:MBUFLJFD

pith:2026:MBUFLJFD464OAX3C7CH3GFAT3C

not attested not anchored not stored refs pending

Measuring What Persists: Conditioning Mechanisms and a Geometric Framework for AI Agent Identity

Andrew Tanner

arxiv:2606.21843 v1 · 2026-06-20 · cs.AI · 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{MBUFLJFD464OAX3C7CH3GFAT3C}

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	2026-06-23T02:13:00.594261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

606855a4a3e7b8e05f62f88fb31413d89e4e86fa24e4e36e244ec1c996d8b98b

Aliases

arxiv: 2606.21843 · arxiv_version: 2606.21843v1 · doi: 10.48550/arxiv.2606.21843 · pith_short_12: MBUFLJFD464O · pith_short_16: MBUFLJFD464OAX3C · pith_short_8: MBUFLJFD

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/MBUFLJFD464OAX3C7CH3GFAT3C \
  | 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: 606855a4a3e7b8e05f62f88fb31413d89e4e86fa24e4e36e244ec1c996d8b98b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a73286176b720cac71d59eb853632441b13cdcaf8afc70e59cedbe9dda4b84b",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-20T02:38:43Z",
    "title_canon_sha256": "5e93387b0aa37a4127f77fc48062729fd0fbab32cb1c673a2621bd644b974748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21843",
    "kind": "arxiv",
    "version": 1
  }
}