Pith Number

pith:AYZRHYPN

pith:2017:AYZRHYPNETTW4OW4AWCCLE3FCW

not attested not anchored not stored refs pending

Superconvergent DPG methods for second order elliptic problems

Thomas F\"uhrer

arxiv:1712.07719 v1 · 2017-12-20 · 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{AYZRHYPNETTW4OW4AWCCLE3FCW}

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	2026-05-18T00:27:31.095895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

063313e1ed24e76e3adc0584259365159975f4a6fbfaea0f6006e6a614936f88

Aliases

arxiv: 1712.07719 · arxiv_version: 1712.07719v1 · doi: 10.48550/arxiv.1712.07719 · pith_short_12: AYZRHYPNETTW · pith_short_16: AYZRHYPNETTW4OW4 · pith_short_8: AYZRHYPN

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/AYZRHYPNETTW4OW4AWCCLE3FCW \
  | 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: 063313e1ed24e76e3adc0584259365159975f4a6fbfaea0f6006e6a614936f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1143a309c2820f210ea9ae1ac9f3df95b12553b6cae039a919c743a98ee6fa8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-20T21:41:56Z",
    "title_canon_sha256": "6403bc55e44ad726608a6dc488cc41003b907ad81f15662e50318898d5c82c09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07719",
    "kind": "arxiv",
    "version": 1
  }
}