Pith Number

pith:MLYIFTGR

pith:2021:MLYIFTGRHA5EJ2ZH3YKVOJFQNB

not attested not anchored not stored refs pending

Tiered Reasoning for Intuitive Physics: Toward Verifiable Commonsense Language Understanding

Joyce Chai, Qiaozi Gao, Shane Storks, Yichi Zhang

arxiv:2109.04947 v3 · 2021-09-10 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MLYIFTGRHA5EJ2ZH3YKVOJFQNB}

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	2026-07-05T04:21:56.719894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62f082ccd1383a44eb27de155724b06846efd5a1f45b84fd31caab2271bc7204

Aliases

arxiv: 2109.04947 · arxiv_version: 2109.04947v3 · doi: 10.48550/arxiv.2109.04947 · pith_short_12: MLYIFTGRHA5E · pith_short_16: MLYIFTGRHA5EJ2ZH · pith_short_8: MLYIFTGR

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/MLYIFTGRHA5EJ2ZH3YKVOJFQNB \
  | 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: 62f082ccd1383a44eb27de155724b06846efd5a1f45b84fd31caab2271bc7204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb98b94558c8ecbc30a5e2c8dc95c10c6c9a7b23f8e3b6fa2a39f106cc9fc70e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-10T15:47:22Z",
    "title_canon_sha256": "e818fc1c62ac947c8bc038a360e2cca7b6b4225f1e294a5eeac875db5b001c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04947",
    "kind": "arxiv",
    "version": 3
  }
}