Pith Number

pith:R2T245MA

pith:2026:R2T245MAVNYK4BX4I7PA43ACHF

not attested not anchored not stored refs pending

How Context Attribution Handles What the Model Already Knows

Lin Zhu, Quoc-Huy Trinh, Sebastian Szyller

arxiv:2607.23804 v1 · 2026-07-26 · cs.CL · 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{R2T245MAVNYK4BX4I7PA43ACHF}

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	2026-07-28T01:23:12.013145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea7ae7580ab70ae06fc47de0e6c0239744aa186173349ba3e52607c14e1e788

Aliases

arxiv: 2607.23804 · arxiv_version: 2607.23804v1 · doi: 10.48550/arxiv.2607.23804 · pith_short_12: R2T245MAVNYK · pith_short_16: R2T245MAVNYK4BX4 · pith_short_8: R2T245MA

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/R2T245MAVNYK4BX4I7PA43ACHF \
  | 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: 8ea7ae7580ab70ae06fc47de0e6c0239744aa186173349ba3e52607c14e1e788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90e3473b0dc35b6a3a9acc0cd974b8c5d920111612de8b44f4701d40dfacafe7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-26T19:06:29Z",
    "title_canon_sha256": "350de78ea83075af78a9d744ec48905e1e4759e4a90b4f10464bac14456c51bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23804",
    "kind": "arxiv",
    "version": 1
  }
}