Pith Number

pith:UU45S2PU

pith:2026:UU45S2PUVMCWVJGC5ILGMLUVHH

not attested not anchored not stored refs pending

With Argus Eyes: Assessing Retrieval Gaps via Uncertainty Scoring to Detect and Remedy Retrieval Blind Spots

Ali Modarressi, Andreas Marfurt, Hinrich Schutze, Zeinab Sadat Taghavi

arxiv:2602.09616 v2 · 2026-02-10 · cs.IR · 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{UU45S2PUVMCWVJGC5ILGMLUVHH}

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	2026-07-16T01:22:34.684554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a539d969f4ab056aa4c2ea16662e9539dd100ba9ca44c0bed6e24504badab762

Aliases

arxiv: 2602.09616 · arxiv_version: 2602.09616v2 · doi: 10.48550/arxiv.2602.09616 · pith_short_12: UU45S2PUVMCW · pith_short_16: UU45S2PUVMCWVJGC · pith_short_8: UU45S2PU

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/UU45S2PUVMCWVJGC5ILGMLUVHH \
  | 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: a539d969f4ab056aa4c2ea16662e9539dd100ba9ca44c0bed6e24504badab762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06877661e2f5af42516fdd052f679780694ed6cf823fc4b9a5ac3fef9d035ed2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-02-10T10:04:55Z",
    "title_canon_sha256": "019b27fc7410919e237b4354b9af823445926bb30d5891cf26bc98f921a956b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.09616",
    "kind": "arxiv",
    "version": 2
  }
}