Pith Number

pith:U3DWW6Z4

pith:2026:U3DWW6Z4NNRWDAZPSWOHIUY76J

not attested not anchored not stored refs pending

Lost at the End: Primacy Bias in Multimodal Retrieval-Augmented Question Answering

Jefferson Chen, Jianyang Gu, Jieyuan Liu, Shijie Chen, Zhen Wang

arxiv:2606.16494 v2 · 2026-06-15 · cs.CL · cs.AI · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3DWW6Z4NNRWDAZPSWOHIUY76J}

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	2026-06-29T01:15:05.490073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6c76b7b3c6b6361832f959c74531ff26e35d1f3469ec593ec2103b4b364f4d6

Aliases

arxiv: 2606.16494 · arxiv_version: 2606.16494v2 · doi: 10.48550/arxiv.2606.16494 · pith_short_12: U3DWW6Z4NNRW · pith_short_16: U3DWW6Z4NNRWDAZP · pith_short_8: U3DWW6Z4

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/U3DWW6Z4NNRWDAZPSWOHIUY76J \
  | 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: a6c76b7b3c6b6361832f959c74531ff26e35d1f3469ec593ec2103b4b364f4d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df60845690be2777aad5587793254adae7ec5bcd5c4401f01bcf939c5405171",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-15T09:57:48Z",
    "title_canon_sha256": "5373a6025faa9a144aa4e7a4831b01ee25f502e22e70c092f47f31c6bc0aca0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.16494",
    "kind": "arxiv",
    "version": 2
  }
}