Pith Number

pith:QPVSL5MU

pith:2014:QPVSL5MUUBSAFVB3U6NBLXFV3H

not attested not anchored not stored refs pending

Fully Adaptive Newton-Galerkin Methods for Semilinear Elliptic Partial Differential Equations

Mario Amrein, Thomas P. Wihler

arxiv:1408.5221 v2 · 2014-08-22 · 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{QPVSL5MUUBSAFVB3U6NBLXFV3H}

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	2026-05-18T02:44:15.987778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83eb25f594a06402d43ba79a15dcb5d9c85dcff92fa1c8b4bbdad1b5e2b601f4

Aliases

arxiv: 1408.5221 · arxiv_version: 1408.5221v2 · doi: 10.48550/arxiv.1408.5221 · pith_short_12: QPVSL5MUUBSA · pith_short_16: QPVSL5MUUBSAFVB3 · pith_short_8: QPVSL5MU

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/QPVSL5MUUBSAFVB3U6NBLXFV3H \
  | 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: 83eb25f594a06402d43ba79a15dcb5d9c85dcff92fa1c8b4bbdad1b5e2b601f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec5c77207517ca921d9f75bc342627c8735596b511bce6b7906e327f11efeee6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-08-22T07:24:50Z",
    "title_canon_sha256": "137cb7baa9e1f5fbf7bb5f39eb99495d8af1b1f8a5a64c474f68176e9520d22d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5221",
    "kind": "arxiv",
    "version": 2
  }
}