Pith Number

pith:VFQOWAH6

pith:2012:VFQOWAH6A2A6V37542B6EQFPEL

not attested not anchored not stored refs pending

Numerical comparison of different algorithms for construction of wavelet matrices

Alexander Gamkrelidze, Lasha Ephremidze, Nika Salia

arxiv:1211.4516 v1 · 2012-11-19 · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VFQOWAH6A2A6V37542B6EQFPEL}

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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	2026-05-18T03:40:26.646366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a960eb00fe0681eaeffde683e240af22c9b59b7b151bb84f896eaabe68e1dbae

Aliases

arxiv: 1211.4516 · arxiv_version: 1211.4516v1 · doi: 10.48550/arxiv.1211.4516 · pith_short_12: VFQOWAH6A2A6 · pith_short_16: VFQOWAH6A2A6V375 · pith_short_8: VFQOWAH6

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/VFQOWAH6A2A6V37542B6EQFPEL \
  | 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: a960eb00fe0681eaeffde683e240af22c9b59b7b151bb84f896eaabe68e1dbae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeb3822caf7a8511768d2d870553f3c12a1045cf71f8a301b6da555e0c627c81",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2012-11-19T17:37:59Z",
    "title_canon_sha256": "0dccf9c6fc4d2477f417e2b2eee444555b95baa94db473638ec3a5bf49b84e68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4516",
    "kind": "arxiv",
    "version": 1
  }
}