Pith Number

pith:GTYPNYE4

pith:2023:GTYPNYE44667F3MJ5BHD7H5AR4

not attested not anchored not stored refs pending

Solving PDEs with Incomplete Information

Albert Cohen, Andrea Bonito, Guergana Petrova, Peter Binev, Ronald DeVore, Wolfgang Dahmen

arxiv:2301.05540 v2 · 2023-01-13 · math.NA · cs.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{GTYPNYE44667F3MJ5BHD7H5AR4}

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

Nonlinear Optimal Recovery in Hilbert Spaces

Receipt and verification

First computed	2026-07-05T07:26:11.643256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34f0f6e09ce7bdf2ed89e84e3f9fa08f1447538d3378e63717f605c756e217f9

Aliases

arxiv: 2301.05540 · arxiv_version: 2301.05540v2 · doi: 10.48550/arxiv.2301.05540 · pith_short_12: GTYPNYE44667 · pith_short_16: GTYPNYE44667F3MJ · pith_short_8: GTYPNYE4

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/GTYPNYE44667F3MJ5BHD7H5AR4 \
  | 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: 34f0f6e09ce7bdf2ed89e84e3f9fa08f1447538d3378e63717f605c756e217f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "868e08084e539e764a96d66ea3ef4359f99daae614a36648bcc1c0b0a35db0ba",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-01-13T13:38:40Z",
    "title_canon_sha256": "1cab6ac84aa07c7ede4a7de61b26077e1df7113bf7948f93f40cdeec0d976805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.05540",
    "kind": "arxiv",
    "version": 2
  }
}