Pith Number

pith:HW2V63Q2

pith:2020:HW2V63Q2O4RHY2WDGS6THQVJLD

not attested not anchored not stored refs pending

Use the Force, Luke! Learning to Predict Physical Forces by Simulating Effects

Abhinav Gupta, Ali Farhadi, Kiana Ehsani, Saurabh Gupta, Shubham Tulsiani

arxiv:2003.12045 v1 · 2020-03-26 · cs.CV · cs.LG · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HW2V63Q2O4RHY2WDGS6THQVJLD}

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	2026-07-05T00:50:49.967806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db55f6e1a77227c6ac334bd33c2a958ebf21326de203bb22e00f30b818db5ac

Aliases

arxiv: 2003.12045 · arxiv_version: 2003.12045v1 · doi: 10.48550/arxiv.2003.12045 · pith_short_12: HW2V63Q2O4RH · pith_short_16: HW2V63Q2O4RHY2WD · pith_short_8: HW2V63Q2

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/HW2V63Q2O4RHY2WDGS6THQVJLD \
  | 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: 3db55f6e1a77227c6ac334bd33c2a958ebf21326de203bb22e00f30b818db5ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8506e1800eeb7d70628aea6379fb2a3f404283e5c30aaf55a93b3c34876d4fad",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-26T17:20:23Z",
    "title_canon_sha256": "8c379f3257440fb0120464e4cfc772692a1912f787da68f44b1c09024f07bbe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.12045",
    "kind": "arxiv",
    "version": 1
  }
}