Pith Number

pith:F7RROMH2

pith:2025:F7RROMH2HQQKGQDVQ7FZFLDHT4

not attested not anchored not stored refs pending

Moving-Boundary Port-Hamiltonian Systems

A. Das, S. Weiland, T.J. Meijer

arxiv:2501.14930 v2 · 2025-01-24 · math.OC · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7RROMH2HQQKGQDVQ7FZFLDHT4}

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	2026-07-05T11:37:43.165170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe31730fa3c20a3407587cb92ac679f23ad0346bd70c44e77e70cfaed94e516

Aliases

arxiv: 2501.14930 · arxiv_version: 2501.14930v2 · doi: 10.48550/arxiv.2501.14930 · pith_short_12: F7RROMH2HQQK · pith_short_16: F7RROMH2HQQKGQDV · pith_short_8: F7RROMH2

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/F7RROMH2HQQKGQDVQ7FZFLDHT4 \
  | 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: 2fe31730fa3c20a3407587cb92ac679f23ad0346bd70c44e77e70cfaed94e516

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad89d9cf391ec21bfe31c907dfa0a47552308951e69408d2823b051cd5ea78ca",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-01-24T21:39:41Z",
    "title_canon_sha256": "f6924c8efb71eb1648191ad07bb41dfc96b63dd53a16d11ce64db4e23e78656d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.14930",
    "kind": "arxiv",
    "version": 2
  }
}