Pith Number

pith:NB62DX7Y

pith:2020:NB62DX7YRV6HC5WO3F3PBSDGPE

not attested not anchored not stored refs pending

Nonlinear Spectral Geometry Processing via the TV Transform

Emanuele Rodol\`a, Marco Fumero, Michael Moeller

arxiv:2009.03044 v1 · 2020-09-07 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NB62DX7YRV6HC5WO3F3PBSDGPE}

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	2026-07-05T01:33:28.354893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

687da1dff88d7c7176ced976f0c866792d318eb16ef48d2fa61fa15d6a2cfcd7

Aliases

arxiv: 2009.03044 · arxiv_version: 2009.03044v1 · doi: 10.48550/arxiv.2009.03044 · pith_short_12: NB62DX7YRV6H · pith_short_16: NB62DX7YRV6HC5WO · pith_short_8: NB62DX7Y

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/NB62DX7YRV6HC5WO3F3PBSDGPE \
  | 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: 687da1dff88d7c7176ced976f0c866792d318eb16ef48d2fa61fa15d6a2cfcd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5c96078e65d59b4bf84dbca83f9bd9109d62fabc341f30b1feb2b220cc5fd7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2020-09-07T12:05:19Z",
    "title_canon_sha256": "60aa1b0ccabea876f869d20505d5c3b9f3e5199326740d9b718472f5775f9b02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.03044",
    "kind": "arxiv",
    "version": 1
  }
}