Pith Number

pith:SKQBHXRO

pith:2018:SKQBHXROELN2C42MDOSW7RYY5E

not attested not anchored not stored refs pending

Error Analysis of an Incremental POD Algorithm for PDE Simulation Data

Hiba Fareed, John R. Singler

arxiv:1803.06313 v1 · 2018-03-16 · 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{SKQBHXROELN2C42MDOSW7RYY5E}

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	2026-06-04T19:11:41.733029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a013de2e22dba1734c1ba56fc718e9193df75a832fee2afb20c84c775fcaa5

Aliases

arxiv: 1803.06313 · arxiv_version: 1803.06313v1 · doi: 10.48550/arxiv.1803.06313 · pith_short_12: SKQBHXROELN2 · pith_short_16: SKQBHXROELN2C42M · pith_short_8: SKQBHXRO

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/SKQBHXROELN2C42MDOSW7RYY5E \
  | 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: 92a013de2e22dba1734c1ba56fc718e9193df75a832fee2afb20c84c775fcaa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94e9a3eab94cb6ddf1bfb9ea9ce17c57883d0127ed23fb4f3202907aa902232f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-16T17:02:36Z",
    "title_canon_sha256": "bc1958d0f18fadf3c3dae28a20820df9c216380606c9409c62e1cb7deaf67d2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06313",
    "kind": "arxiv",
    "version": 1
  }
}