Pith Number

pith:YEVWUBNI

pith:2012:YEVWUBNINFNLNHNPYWB6JWUAR5

not attested not anchored not stored refs pending

Spectral gaps for the linear surface wave model in periodic channels

Fedor Bakharev, Jari Taskinen, Keijo Ruotsalainen

arxiv:1212.6615 v2 · 2012-12-29 · math.SP · math-ph · math.FA · 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{YEVWUBNINFNLNHNPYWB6JWUAR5}

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	2026-05-18T03:04:22.582734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c12b6a05a8695ab69dafc583e4da808f501f35a5e53d5950ae92224b1974f9d8

Aliases

arxiv: 1212.6615 · arxiv_version: 1212.6615v2 · doi: 10.48550/arxiv.1212.6615 · pith_short_12: YEVWUBNINFNL · pith_short_16: YEVWUBNINFNLNHNP · pith_short_8: YEVWUBNI

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/YEVWUBNINFNLNHNPYWB6JWUAR5 \
  | 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: c12b6a05a8695ab69dafc583e4da808f501f35a5e53d5950ae92224b1974f9d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17001c55019fc4040c67758ef766378da1e3eb6643855145e55a7db04ad8a03c",
    "cross_cats_sorted": [
      "math-ph",
      "math.FA",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2012-12-29T11:13:04Z",
    "title_canon_sha256": "f94150537198284970d208d2e77543a33b0538104d81cb5e8c74979b238d0d39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6615",
    "kind": "arxiv",
    "version": 2
  }
}