Pith Number

pith:VFFYCKUA

pith:2013:VFFYCKUAJ7LMP7FF4WJTO734YW

not attested not anchored not stored refs pending

The autocorrelated noise filtering problem: the ISMC filter in a specific case of distance measuring

Flavio Prattico

arxiv:1311.7013 v2 · 2013-11-27 · 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{VFFYCKUAJ7LMP7FF4WJTO734YW}

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	2026-05-18T03:05:47.185743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a94b812a804fd6c7fca5e593377f7cc599ab26386f4484b41739a202836f08df

Aliases

arxiv: 1311.7013 · arxiv_version: 1311.7013v2 · doi: 10.48550/arxiv.1311.7013 · pith_short_12: VFFYCKUAJ7LM · pith_short_16: VFFYCKUAJ7LMP7FF · pith_short_8: VFFYCKUA

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/VFFYCKUAJ7LMP7FF4WJTO734YW \
  | 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: a94b812a804fd6c7fca5e593377f7cc599ab26386f4484b41739a202836f08df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "794577bfba29dc48e200e708d9870b99225b3de1616d1963885481b6c2f89008",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2013-11-27T15:44:21Z",
    "title_canon_sha256": "b9db593e31e6fd338ffdbe895a37f3a9566522ac34675f1f95e15b529049802d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7013",
    "kind": "arxiv",
    "version": 2
  }
}