Pith Number

pith:D454L7Y5

pith:2026:D454L7Y576EDJBOQ36NCUWSMJK

not attested not anchored not stored refs pending

Faithful by Construction: Claim-Anchored Attribution for Multi-Document Summarization

Shuo Guan

arxiv:2606.23989 v1 · 2026-06-22 · 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{D454L7Y576EDJBOQ36NCUWSMJK}

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	2026-06-24T00:14:32.396040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f3bc5ff1dff883485d0df9a2a5a4c4aa44df804a45b9bdfe09cf1e6c5a224b3

Aliases

arxiv: 2606.23989 · arxiv_version: 2606.23989v1 · doi: 10.48550/arxiv.2606.23989 · pith_short_12: D454L7Y576ED · pith_short_16: D454L7Y576EDJBOQ · pith_short_8: D454L7Y5

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/D454L7Y576EDJBOQ36NCUWSMJK \
  | 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: 1f3bc5ff1dff883485d0df9a2a5a4c4aa44df804a45b9bdfe09cf1e6c5a224b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "161003401c7362ab84006389a0641180a8a0d80a537d2c8e30dfe9eb70195a40",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-22T22:39:08Z",
    "title_canon_sha256": "2cfab23770ddfe68d05c8437fad406c5cb0be8bd1e989a1d690a10e4e3df7268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23989",
    "kind": "arxiv",
    "version": 1
  }
}