Pith Number

pith:DUN6NCWH

pith:2016:DUN6NCWHPSD5FT2H6VCZQDTIPL

not attested not anchored not stored refs pending

Mixed boundary value problems for the Helmholtz equation in a model 2D angular domain

Medea Tsaava, Roland Duduchava

arxiv:1605.09029 v1 · 2016-05-29 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUN6NCWHPSD5FT2H6VCZQDTIPL}

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	2026-05-18T01:13:22.276275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d1be68ac77c87d2cf47f545980e687adbdaa8f86a566cc8999e1e2eac9db6d8

Aliases

arxiv: 1605.09029 · arxiv_version: 1605.09029v1 · doi: 10.48550/arxiv.1605.09029 · pith_short_12: DUN6NCWHPSD5 · pith_short_16: DUN6NCWHPSD5FT2H · pith_short_8: DUN6NCWH

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/DUN6NCWHPSD5FT2H6VCZQDTIPL \
  | 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: 1d1be68ac77c87d2cf47f545980e687adbdaa8f86a566cc8999e1e2eac9db6d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7346eab20de8f08eefa81f18ccdea01a07e620c8537e0fe319219ec6d2fb2ab4",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-05-29T16:59:54Z",
    "title_canon_sha256": "8b28bbd3f59e7966a1aab47b2512312ec5b19d6797d88729713bfa9acbbd9be1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09029",
    "kind": "arxiv",
    "version": 1
  }
}