Pith Number

pith:6WDTO2G2

pith:2018:6WDTO2G26HGBC3PGWRVND6V3C4

not attested not anchored not stored refs pending

Efficient and scalable data structures and algorithms for goal-oriented adaptivity of space-time FEM codes

Marius Paul Bruchh\"auser, Markus Bause, Uwe K\"ocher

arxiv:1812.08558 v1 · 2018-12-20 · cs.MS · cs.NA · 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{6WDTO2G26HGBC3PGWRVND6V3C4}

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	2026-05-17T23:47:26.936561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5873768daf1cc116de6b46ad1fabb173aa0441c3de1eafc139c639eaceff7d2

Aliases

arxiv: 1812.08558 · arxiv_version: 1812.08558v1 · doi: 10.48550/arxiv.1812.08558 · pith_short_12: 6WDTO2G26HGB · pith_short_16: 6WDTO2G26HGBC3PG · pith_short_8: 6WDTO2G2

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/6WDTO2G26HGBC3PGWRVND6V3C4 \
  | 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: f5873768daf1cc116de6b46ad1fabb173aa0441c3de1eafc139c639eaceff7d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92193065e921d10a7b94be1b8e853aea08281057df6805bacc9d9fb4036dbc11",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-12-20T13:43:20Z",
    "title_canon_sha256": "5b7d706d8eb219b455e95e5d8b1758bfcf1367e5317dbb02f6f8b3c2f80a6203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08558",
    "kind": "arxiv",
    "version": 1
  }
}