Pith Number

pith:IH53REMH

pith:2017:IH53REMHGXB5U7KTQLW26LFGJO

not attested not anchored not stored refs pending

Helmholtz decomposition theorem and Blumenthal's extension by regularization

D. Petrascheck, R. Folk

arxiv:1704.02287 v1 · 2017-03-30 · physics.class-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{IH53REMHGXB5U7KTQLW26LFGJO}

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	2026-05-18T00:46:50.194577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41fbb8918735c3da7d5382edaf2ca64b92ccb73f7d65aa8ab3a76f85ad59df5c

Aliases

arxiv: 1704.02287 · arxiv_version: 1704.02287v1 · doi: 10.48550/arxiv.1704.02287 · pith_short_12: IH53REMHGXB5 · pith_short_16: IH53REMHGXB5U7KT · pith_short_8: IH53REMH

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/IH53REMHGXB5U7KTQLW26LFGJO \
  | 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: 41fbb8918735c3da7d5382edaf2ca64b92ccb73f7d65aa8ab3a76f85ad59df5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9f6793895940de322ecd8edb6fd922bb8c6b5abc844453c35f8e041d3e345f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-03-30T08:54:25Z",
    "title_canon_sha256": "c0cb4097ada2c888d37b9a1a00db0a049a0bca0596836a93bbcdfd6f39af4cd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02287",
    "kind": "arxiv",
    "version": 1
  }
}