Pith Number

pith:JZISZBYP

pith:2016:JZISZBYP4ZKL2GUPT4KC7BF6EY

not attested not anchored not stored refs pending

Rate optimal adaptive FEM with inexact solver for nonlinear operators

Alexander Haberl, Bernhard Stiftner, Dirk Praetorius, Gregor Gantner

arxiv:1611.05212 v2 · 2016-11-16 · 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{JZISZBYP4ZKL2GUPT4KC7BF6EY}

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	2026-05-17T23:59:58.319906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e512c870fe654bd1a8f9f142f84be2624f1ebd6ea05570034b01a8a32c74140

Aliases

arxiv: 1611.05212 · arxiv_version: 1611.05212v2 · doi: 10.48550/arxiv.1611.05212 · pith_short_12: JZISZBYP4ZKL · pith_short_16: JZISZBYP4ZKL2GUP · pith_short_8: JZISZBYP

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/JZISZBYP4ZKL2GUPT4KC7BF6EY \
  | 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: 4e512c870fe654bd1a8f9f142f84be2624f1ebd6ea05570034b01a8a32c74140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d44f9e87be1adc7fba31b821707793dac0af2db8ea4fe5e9486a857a330c566",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-16T10:31:04Z",
    "title_canon_sha256": "2b11011c29a129fab97050fb75a9f41f35311c44d8a473e1dd570d8eea2e2a9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05212",
    "kind": "arxiv",
    "version": 2
  }
}