Pith Number

pith:672CWNAJ

pith:2026:672CWNAJFP47QZEVYLVIGC5DSS

not attested not anchored not stored refs pending

IFCMemoryBench: Evaluating Long-Term Memory of LLM-Based Agents in BIM Information Retrieval

Alexander Vosseler, Andr\'e Borrmann, Changyu Du, Filippo Mazza

arxiv:2607.26072 v1 · 2026-07-13 · 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{672CWNAJFP47QZEVYLVIGC5DSS}

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	2026-07-30T00:08:17.929474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

f7f42b34092bf9f86495c2ea830ba394b81763b750e1db62fc4bb4721204a7bc

Aliases

arxiv: 2607.26072 · arxiv_version: 2607.26072v1 · doi: 10.48550/arxiv.2607.26072 · pith_short_12: 672CWNAJFP47 · pith_short_16: 672CWNAJFP47QZEV · pith_short_8: 672CWNAJ

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/672CWNAJFP47QZEVYLVIGC5DSS \
  | 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: f7f42b34092bf9f86495c2ea830ba394b81763b750e1db62fc4bb4721204a7bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d64a593f39f1fb75bee6d375a520304cf3553a8085a0e24c4ed20e40f4fdc60f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-13T08:45:00Z",
    "title_canon_sha256": "cee67ce5f20fbd70382c03ea035e98fc6ea622b156e1713461f94db1792565c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26072",
    "kind": "arxiv",
    "version": 1
  }
}