Pith Number

pith:NGFFIPVK

pith:2016:NGFFIPVKKF3KYFFRSNQK7MPRRH

not attested not anchored not stored refs pending

Effects of Rayleigh waves on the essential spectrum in perturbed doubly periodic elliptic problems

F.L. Bakharev, G. Cardone, J. Taskinen, S.A. Nazarov

arxiv:1604.02835 v2 · 2016-04-11 · math.AP · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGFFIPVKKF3KYFFRSNQK7MPRRH}

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	2026-05-18T00:38:12.864523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

698a543eaa5176ac14b19360afb1f189e4e9e07a51de42f735b5d414155ca089

Aliases

arxiv: 1604.02835 · arxiv_version: 1604.02835v2 · doi: 10.48550/arxiv.1604.02835 · pith_short_12: NGFFIPVKKF3K · pith_short_16: NGFFIPVKKF3KYFFR · pith_short_8: NGFFIPVK

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/NGFFIPVKKF3KYFFRSNQK7MPRRH \
  | 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: 698a543eaa5176ac14b19360afb1f189e4e9e07a51de42f735b5d414155ca089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2770a1726b3ec25e39985700fa273c149886d485909e7c73348fa162bf7b524e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-04-11T08:40:21Z",
    "title_canon_sha256": "9e19f23687cbf0544363e76b24ef03ef6b9fc9fad762110a86be0968125bda57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02835",
    "kind": "arxiv",
    "version": 2
  }
}