Pith Number

pith:Q3RZTGHC

pith:2012:Q3RZTGHCZQUL2DTT6ODNMBYI3D

not attested not anchored not stored refs pending

On boundary behavior and Dirichlet problem for Beltrami equations

Denis Kovtonyuk, Igor Petkov, Ruslan Salimov, Vladimir Ryazanov

arxiv:1201.5570 v1 · 2012-01-26 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3RZTGHCZQUL2DTT6ODNMBYI3D}

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	2026-05-18T04:03:45.891398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86e39998e2cc28bd0e73f386d60708d8f2ca71cf86b8aa0b6fba40e94cdd22c8

Aliases

arxiv: 1201.5570 · arxiv_version: 1201.5570v1 · doi: 10.48550/arxiv.1201.5570 · pith_short_12: Q3RZTGHCZQUL · pith_short_16: Q3RZTGHCZQUL2DTT · pith_short_8: Q3RZTGHC

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/Q3RZTGHCZQUL2DTT6ODNMBYI3D \
  | 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: 86e39998e2cc28bd0e73f386d60708d8f2ca71cf86b8aa0b6fba40e94cdd22c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d73591fec2df8fe0e422ea43006a90a4be34f5ee473221da20d9b43b6778a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-01-26T16:27:30Z",
    "title_canon_sha256": "764f534116932440e3790fe5dc7df923d8bef2238e2913dc896c218f8c0c64e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5570",
    "kind": "arxiv",
    "version": 1
  }
}