Pith Number

pith:ECYBMDYV

pith:2016:ECYBMDYVBVBMQUFVF6KGIZZKRM

not attested not anchored not stored refs pending

An accelerated Poisson solver based on multidomain spectral discretization

Adrianna Gillman, Per-Gunnar Martinsson, Sijia Hao, Tracy Babb

arxiv:1612.02736 v1 · 2016-12-08 · 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{ECYBMDYVBVBMQUFVF6KGIZZKRM}

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	2026-05-18T00:55:32.901375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b0160f150d42c850b52f9464672a8b3cc8924c810d012eb9b12f44eef4ae23

Aliases

arxiv: 1612.02736 · arxiv_version: 1612.02736v1 · doi: 10.48550/arxiv.1612.02736 · pith_short_12: ECYBMDYVBVBM · pith_short_16: ECYBMDYVBVBMQUFV · pith_short_8: ECYBMDYV

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/ECYBMDYVBVBMQUFVF6KGIZZKRM \
  | 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: 20b0160f150d42c850b52f9464672a8b3cc8924c810d012eb9b12f44eef4ae23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afd0b9cbd54c1be6b0907f7291662675aa997694768891a1df9be7122c3cacb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-12-08T17:33:19Z",
    "title_canon_sha256": "30a17cb7ef218a2357ea45eb96d92216f849022e5c59531f3adf070cb0a624f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02736",
    "kind": "arxiv",
    "version": 1
  }
}