Pith Number

pith:EQISPKER

pith:2014:EQISPKERQ4H2SDGCEE7CTIICBL

not attested not anchored not stored refs pending

Prioritized Data Compression using Wavelets

Henry Scharf, Kenny Gruchalla, Ryan Elmore

arxiv:1407.2954 v1 · 2014-07-10 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQISPKERQ4H2SDGCEE7CTIICBL}

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	2026-05-18T02:47:52.370101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

241127a891870fa90cc2213e29a1020afe2d2850c6c9365ad3283e4ac33a9372

Aliases

arxiv: 1407.2954 · arxiv_version: 1407.2954v1 · doi: 10.48550/arxiv.1407.2954 · pith_short_12: EQISPKERQ4H2 · pith_short_16: EQISPKERQ4H2SDGC · pith_short_8: EQISPKER

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/EQISPKERQ4H2SDGCEE7CTIICBL \
  | 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: 241127a891870fa90cc2213e29a1020afe2d2850c6c9365ad3283e4ac33a9372

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c80d071b5dd1f2694866e70a58ca760acff8521bb94db0dbf12aeb76bf939f42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2014-07-10T20:11:23Z",
    "title_canon_sha256": "4624823ed57efc49723d935bfb5c7a3232649e3728052819999ad42929c0a44b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2954",
    "kind": "arxiv",
    "version": 1
  }
}