Pith Number

pith:LQSXTZVN

pith:2016:LQSXTZVNTYN2F7TODSO5NJBFFL

not attested not anchored not stored refs pending

Mixed and stabilized finite element methods for the obstacle problem

Juha Videman, Rolf Stenberg, Tom Gustafsson

arxiv:1603.04257 v2 · 2016-03-14 · 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{LQSXTZVNTYN2F7TODSO5NJBFFL}

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	2026-05-18T00:30:33.065676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c2579e6ad9e1ba2fe6e1c9dd6a4252ac6be517f780183f5ab1835e76db890de

Aliases

arxiv: 1603.04257 · arxiv_version: 1603.04257v2 · doi: 10.48550/arxiv.1603.04257 · pith_short_12: LQSXTZVNTYN2 · pith_short_16: LQSXTZVNTYN2F7TO · pith_short_8: LQSXTZVN

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/LQSXTZVNTYN2F7TODSO5NJBFFL \
  | 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: 5c2579e6ad9e1ba2fe6e1c9dd6a4252ac6be517f780183f5ab1835e76db890de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b3f25b75154af9a282fd91b460235ff18d262bf50b0b03f800dee07b719274d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-03-14T13:34:29Z",
    "title_canon_sha256": "abe52f5dbb52bc72a739f7e5d6762fefd3ee7beb407fd054e37bce930ac3df04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04257",
    "kind": "arxiv",
    "version": 2
  }
}