Pith Number

pith:KWWG63EG

pith:2017:KWWG63EG6AOIP6UROEZMABNDWL

not attested not anchored not stored refs pending

An efficient streaming algorithm for spectral proper orthogonal decomposition

Aaron Towne, Oliver T. Schmidt

arxiv:1711.04199 v3 · 2017-11-11 · physics.flu-dyn · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWWG63EG6AOIP6UROEZMABNDWL}

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	2026-05-17T23:56:34.346024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55ac6f6c86f01c87fa917132c005a3b2f65c80a916283ac82f364c6f4e4c2a1e

Aliases

arxiv: 1711.04199 · arxiv_version: 1711.04199v3 · doi: 10.48550/arxiv.1711.04199 · pith_short_12: KWWG63EG6AOI · pith_short_16: KWWG63EG6AOIP6UR · pith_short_8: KWWG63EG

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/KWWG63EG6AOIP6UROEZMABNDWL \
  | 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: 55ac6f6c86f01c87fa917132c005a3b2f65c80a916283ac82f364c6f4e4c2a1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c115f5a1fb759abf8b440ba6a8cbee3039b4424f24f7842910fe7cbae7bc625",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-11-11T21:24:18Z",
    "title_canon_sha256": "ccd4c288c2f3a723628c0513cbfb16eb853a673d9344736059c7421604790135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04199",
    "kind": "arxiv",
    "version": 3
  }
}