Pith Number

pith:EHG7YYR5

pith:2026:EHG7YYR5H3GCRYNREHY33KP7Q2

not attested not anchored not stored refs pending

Ask the World Before Acting: Budgeted Environment Probing for World-Model Calibration

Xinyuan Song, Zekun Cai

arxiv:2606.31422 v1 · 2026-06-30 · 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{EHG7YYR5H3GCRYNREHY33KP7Q2}

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	2026-07-01T01:18:02.782533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21cdfc623d3ecc28e1b121f1bda9ff86a48dbe0b98e4dc9e57f2db44f7c3a01b

Aliases

arxiv: 2606.31422 · arxiv_version: 2606.31422v1 · doi: 10.48550/arxiv.2606.31422 · pith_short_12: EHG7YYR5H3GC · pith_short_16: EHG7YYR5H3GCRYNR · pith_short_8: EHG7YYR5

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/EHG7YYR5H3GCRYNREHY33KP7Q2 \
  | 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: 21cdfc623d3ecc28e1b121f1bda9ff86a48dbe0b98e4dc9e57f2db44f7c3a01b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5d51e7b46517e372713799a918c556fde01a52fbff204faa497a841ff841ff5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-30T09:45:49Z",
    "title_canon_sha256": "9888a9dff4f72d16ddb9fb2c8986ad1acfedf1892bc54759651ac1946eaa7174"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31422",
    "kind": "arxiv",
    "version": 1
  }
}