Pith Number

pith:XFVQCI44

pith:2026:XFVQCI44NMOVPJC4MJYDA5HECU

not attested not anchored not stored refs pending

AutoIndex: Learning Representation Programs for Retrieval

Andrew Drozdov, Hanna Jiang, Nithya Rajkumar, Ramya Narayanasamy, Sam O'Nuallain, Shreyas Chaudhari

arxiv:2607.18603 v1 · 2026-07-21 · cs.IR · 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{XFVQCI44NMOVPJC4MJYDA5HECU}

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	2026-07-22T00:22:56.262000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b96b01239c6b1d57a45c62703074e41503db03071d61df43584842a1ce8c67ea

Aliases

arxiv: 2607.18603 · arxiv_version: 2607.18603v1 · doi: 10.48550/arxiv.2607.18603 · pith_short_12: XFVQCI44NMOV · pith_short_16: XFVQCI44NMOVPJC4 · pith_short_8: XFVQCI44

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/XFVQCI44NMOVPJC4MJYDA5HECU \
  | 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: b96b01239c6b1d57a45c62703074e41503db03071d61df43584842a1ce8c67ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "732371762effe1f0c0201049873584e88738ec11e502a0cce16943bc71e63f82",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-21T00:32:55Z",
    "title_canon_sha256": "04d9f92ceededba29ad46f739c28d15ef8bb0ba942317c969b8eda4c0e7d0acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18603",
    "kind": "arxiv",
    "version": 1
  }
}