Pith Number

pith:GHPL7MLB

pith:2017:GHPL7MLBIHAUP7UMQ5QX5NJHS5

not attested not anchored not stored refs pending

On the nature of spectral proper orthogonal decomposition and related modal decompositions

C. Oliver Paschereit, Kilian Oberleithner, Moritz Sieber

arxiv:1712.08054 v1 · 2017-12-21 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GHPL7MLBIHAUP7UMQ5QX5NJHS5}

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	2026-05-18T00:27:28.937887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31debfb16141c147fe8c87617eb52797459749972c59aa7fdeaf396f2199e4db

Aliases

arxiv: 1712.08054 · arxiv_version: 1712.08054v1 · doi: 10.48550/arxiv.1712.08054 · pith_short_12: GHPL7MLBIHAU · pith_short_16: GHPL7MLBIHAUP7UM · pith_short_8: GHPL7MLB

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/GHPL7MLBIHAUP7UMQ5QX5NJHS5 \
  | 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: 31debfb16141c147fe8c87617eb52797459749972c59aa7fdeaf396f2199e4db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a3ee6ae9f797264715360fc6b30dbd1b6ff76bc0c058899884954de57dbeb4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-12-21T16:19:21Z",
    "title_canon_sha256": "d7c139b82eb3698988e30c4cc98beba200559e74926f08d22f229675f6d000b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08054",
    "kind": "arxiv",
    "version": 1
  }
}