Pith Number

pith:J7EY7EQ6

pith:2026:J7EY7EQ64YUDUHYVAZIGI5TMML

not attested not anchored not stored refs pending

Messier: A High-Resolution Corpus for Cross-Benchmark Agent Evaluation

Alexandre Sallinen, Charlotte Meyer, Guillaume Allegre, Stefan Krsteski, Tony O'Halloran

arxiv:2607.25891 v1 · 2026-07-28 · cs.AI · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7EY7EQ64YUDUHYVAZIGI5TMML}

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	2026-07-29T01:26:09.154529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc98f921ee6283a1f15065064766c62eb2920c46332ef299f640f7196fe213c

Aliases

arxiv: 2607.25891 · arxiv_version: 2607.25891v1 · doi: 10.48550/arxiv.2607.25891 · pith_short_12: J7EY7EQ64YUD · pith_short_16: J7EY7EQ64YUDUHYV · pith_short_8: J7EY7EQ6

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/J7EY7EQ64YUDUHYVAZIGI5TMML \
  | 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: 4fc98f921ee6283a1f15065064766c62eb2920c46332ef299f640f7196fe213c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef1059102573f6751a0abfb2fd0a00adf45dae8bc0dd08009317892299944cca",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-28T15:50:19Z",
    "title_canon_sha256": "5a277f67fd9261e32ee47aeae8591332e686276c377930514765296cab3acc23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25891",
    "kind": "arxiv",
    "version": 1
  }
}