Pith Number

pith:G4OUPFQE

pith:2021:G4OUPFQEZXLJYJFCCKL7QEZRFM

not attested not anchored not stored refs pending

Signed Distance Function Computation from an Implicit Surface

Pierre-Alain Fayolle

arxiv:2104.08057 v2 · 2021-04-16 · cs.GR · cs.CV · 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{G4OUPFQEZXLJYJFCCKL7QEZRFM}

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.

Cited by

1 paper in Pith

SpUDD: Superpower Contouring of Unsigned Distance Data

Receipt and verification

First computed	2026-07-05T02:46:13.348054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

371d479604cdd69c24a21297f813312b03683caf648def5d701a0b51cbaadf6b

Aliases

arxiv: 2104.08057 · arxiv_version: 2104.08057v2 · doi: 10.48550/arxiv.2104.08057 · pith_short_12: G4OUPFQEZXLJ · pith_short_16: G4OUPFQEZXLJYJFC · pith_short_8: G4OUPFQE

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/G4OUPFQEZXLJYJFCCKL7QEZRFM \
  | 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: 371d479604cdd69c24a21297f813312b03683caf648def5d701a0b51cbaadf6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d60bc57bf8dede18ea5dfb5e208b2321f9582ac47abdd927c48b3147cf5df78b",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2021-04-16T12:06:53Z",
    "title_canon_sha256": "cebc962edfbe394c11be9c9af70bfb34ad4308566b8b56a934ff23ca69077173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08057",
    "kind": "arxiv",
    "version": 2
  }
}