Pith Number

pith:AIFG6TSY

pith:2026:AIFG6TSYPFFYB4JACLYQS376L3

not attested not anchored not stored refs pending

Discussion on the Physics Problem of a Boat Crossing a River

Kyle Kou Yuchang, Paul Zhang Yixing, Simon Meng Zimin

arxiv:2606.04515 v1 · 2026-06-03 · math-ph · math.MP · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIFG6TSYPFFYB4JACLYQS376L3}

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	2026-06-04T01:09:15.542745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

020a6f4e58794b80f12012f1096ffe5ee0c9957c8d52993b2337585c484bff89

Aliases

arxiv: 2606.04515 · arxiv_version: 2606.04515v1 · doi: 10.48550/arxiv.2606.04515 · pith_short_12: AIFG6TSYPFFY · pith_short_16: AIFG6TSYPFFYB4JA · pith_short_8: AIFG6TSY

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/AIFG6TSYPFFYB4JACLYQS376L3 \
  | 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: 020a6f4e58794b80f12012f1096ffe5ee0c9957c8d52993b2337585c484bff89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e32c140b05e67407a9b40e26830930eb2d61a90f528713fa4b062229aa5bcd28",
    "cross_cats_sorted": [
      "math.MP",
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2026-06-03T06:47:36Z",
    "title_canon_sha256": "c2bbfa7639540a2f1ca2ec19940b1d01f1808c4a051e18eb25c6d8458e208d89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04515",
    "kind": "arxiv",
    "version": 1
  }
}