Pith Number

pith:VRQQ2MKF

pith:2014:VRQQ2MKF2JTOYDTUBALU6RZ74A

not attested not anchored not stored refs pending

Shaped extensions of singular spectrum analysis

Alex Shlemov, Nina Golyandina

arxiv:1401.4980 v2 · 2014-01-20 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRQQ2MKF2JTOYDTUBALU6RZ74A}

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	2026-05-18T01:37:05.896207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac610d3145d266ec0e7408174f473fe02d8bf04eeccfe5d6321af62006c4fc07

Aliases

arxiv: 1401.4980 · arxiv_version: 1401.4980v2 · doi: 10.48550/arxiv.1401.4980 · pith_short_12: VRQQ2MKF2JTO · pith_short_16: VRQQ2MKF2JTOYDTU · pith_short_8: VRQQ2MKF

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/VRQQ2MKF2JTOYDTUBALU6RZ74A \
  | 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: ac610d3145d266ec0e7408174f473fe02d8bf04eeccfe5d6321af62006c4fc07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "333e489a019ccc6daa1a8d851fa39407bfd200c7e176d1e42081d4966e967a59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-01-20T16:44:26Z",
    "title_canon_sha256": "9f8b7deb419cb4bac5318d59904e2cb86cf95d77cf6cddc5a8d6c375579c1659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4980",
    "kind": "arxiv",
    "version": 2
  }
}