Pith Number

pith:2KXRWUYK

pith:2022:2KXRWUYKBKMXLMIO72HGK5MIXI

not attested not anchored not stored refs pending

A robophysical model of spacetime dynamics

Daniel I. Goldman, Emily Alicea-Mu\~noz, Gongjie Li, Hussain N. Gynai, Pablo Laguna, Shengkai Li, Steven Tarr

arxiv:2202.04835 v3 · 2022-02-10 · gr-qc · 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{2KXRWUYKBKMXLMIO72HGK5MIXI}

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	2026-07-05T07:22:12.194787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2af1b530a0a9975b10efe8e657588ba38e07c34a7361782ba5a214f6d83503c

Aliases

arxiv: 2202.04835 · arxiv_version: 2202.04835v3 · doi: 10.48550/arxiv.2202.04835 · pith_short_12: 2KXRWUYKBKMX · pith_short_16: 2KXRWUYKBKMXLMIO · pith_short_8: 2KXRWUYK

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/2KXRWUYKBKMXLMIO72HGK5MIXI \
  | 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: d2af1b530a0a9975b10efe8e657588ba38e07c34a7361782ba5a214f6d83503c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49e341f2516eb38c4b2d112657014c5444abc69587f0ad711909865479d626d4",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-02-10T05:04:25Z",
    "title_canon_sha256": "6d62098313fdc2fc61f7039bf58617fa69b59982538d852a8e029eba9ab15541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.04835",
    "kind": "arxiv",
    "version": 3
  }
}