Pith Number

pith:HY7ZFQCZ

pith:2015:HY7ZFQCZJTHHFHL2TZEQ7Y6NSY

not attested not anchored not stored refs pending

The Parabolic variance (PVAR), a wavelet variance based on least-square fit

E. Rubiola, F. Vernotte, M. Lenczner, P.-Y. Bourgeois

arxiv:1506.00687 v3 · 2015-06-01 · 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{HY7ZFQCZJTHHFHL2TZEQ7Y6NSY}

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	2026-05-18T01:28:38.367972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e3f92c0594cce729d7a9e490fe3cd960b21cbf4492350fcb68ca8ca57d0a7be

Aliases

arxiv: 1506.00687 · arxiv_version: 1506.00687v3 · doi: 10.48550/arxiv.1506.00687 · pith_short_12: HY7ZFQCZJTHH · pith_short_16: HY7ZFQCZJTHHFHL2 · pith_short_8: HY7ZFQCZ

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/HY7ZFQCZJTHHFHL2TZEQ7Y6NSY \
  | 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: 3e3f92c0594cce729d7a9e490fe3cd960b21cbf4492350fcb68ca8ca57d0a7be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c073bcbb6e902a6d4806524b53095441e2881c136c5e525a67a3f703ec226b89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2015-06-01T21:56:49Z",
    "title_canon_sha256": "31fecc2b45cb0d345cb77fa931d2cbe5c59648adf6f2686e507dbc12575d81f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00687",
    "kind": "arxiv",
    "version": 3
  }
}