Pith Number

pith:ZEMLR2EJ

pith:2015:ZEMLR2EJLYCTV53QFHS3MHSRHC

not attested not anchored not stored refs pending

Varilets: Additive Decomposition, Topological Total Variation, and Filtering of Scalar Fields

Martin Brooks

arxiv:1503.04867 v3 · 2015-03-16 · cs.CG · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEMLR2EJLYCTV53QFHS3MHSRHC}

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	2026-05-18T01:16:09.873345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c918b8e8895e053af77029e5b61e5138b34087710b21867030630ebf8684bdc9

Aliases

arxiv: 1503.04867 · arxiv_version: 1503.04867v3 · doi: 10.48550/arxiv.1503.04867 · pith_short_12: ZEMLR2EJLYCT · pith_short_16: ZEMLR2EJLYCTV53Q · pith_short_8: ZEMLR2EJ

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/ZEMLR2EJLYCTV53QFHS3MHSRHC \
  | 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: c918b8e8895e053af77029e5b61e5138b34087710b21867030630ebf8684bdc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0409e981b9370218ae4f11de73ae8d05d3be1ffafef5e141fc72e0e93de678aa",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-03-16T21:51:41Z",
    "title_canon_sha256": "17111b4340bf6043a84b006324b782f297d363d7817cf8859fe2acd375b1156c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04867",
    "kind": "arxiv",
    "version": 3
  }
}