Pith Number

pith:M2ERERGL

pith:2016:M2ERERGL6ZK4UDQAJUJBHSVLXK

not attested not anchored not stored refs pending

An equilibrated fluxes approach to the certified descent algorithm for shape optimization using conforming finite element and discontinuous Galerkin discretizations

Matteo Giacomini

arxiv:1611.03391 v2 · 2016-11-10 · 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{M2ERERGL6ZK4UDQAJUJBHSVLXK}

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	2026-05-18T00:15:00.173432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66891244cbf655ca0e004d1213caabba86c817328b3ecbf60938a85bde15d57a

Aliases

arxiv: 1611.03391 · arxiv_version: 1611.03391v2 · doi: 10.48550/arxiv.1611.03391 · pith_short_12: M2ERERGL6ZK4 · pith_short_16: M2ERERGL6ZK4UDQA · pith_short_8: M2ERERGL

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/M2ERERGL6ZK4UDQAJUJBHSVLXK \
  | 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: 66891244cbf655ca0e004d1213caabba86c817328b3ecbf60938a85bde15d57a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c458d014e0c06bcd6da595601a6f66f781eb0f2dec8a204823ef792db2ef77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-10T16:39:31Z",
    "title_canon_sha256": "95e969bbda55671470dc3bd43837af0a3ee7ce89c7d254ceb326c52c8b5de9e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03391",
    "kind": "arxiv",
    "version": 2
  }
}