Pith Number

pith:EHFWEJQ7

pith:2026:EHFWEJQ7LUGPNWM2IUSPRSGQC4

not attested not anchored not stored refs pending

Dynamical and Optimization Trade-offs of Levi--Civita Coordinates for Learned Close-Encounter Dynamics

Abhishek Shankar

arxiv:2607.20235 v1 · 2026-07-22 · physics.comp-ph · astro-ph.EP · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHFWEJQ7LUGPNWM2IUSPRSGQC4}

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	2026-07-23T01:25:09.315024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21cb62261f5d0cf6d99a4524f8c8d0172a4a20c725d4e752ab743bef508aa532

Aliases

arxiv: 2607.20235 · arxiv_version: 2607.20235v1 · doi: 10.48550/arxiv.2607.20235 · pith_short_12: EHFWEJQ7LUGP · pith_short_16: EHFWEJQ7LUGPNWM2 · pith_short_8: EHFWEJQ7

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/EHFWEJQ7LUGPNWM2IUSPRSGQC4 \
  | 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: 21cb62261f5d0cf6d99a4524f8c8d0172a4a20c725d4e752ab743bef508aa532

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a5f6eb2054af0ff69dd6711911caecfd18a6f27579157afa046b080ca007157",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2026-07-22T14:56:15Z",
    "title_canon_sha256": "ab8836079c32b126070c6663987c62cfcbd6bc1e2e2fdd08399de92231144470"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20235",
    "kind": "arxiv",
    "version": 1
  }
}