Pith Number

pith:EYZ5MBUU

pith:2021:EYZ5MBUUDIDYE47PA7PTRRGIXU

not attested not anchored not stored refs pending

A posteriori goal-oriented bounds for the Poisson problem using potential and equilibrated flux reconstructions: application to the hybridizable discontinuous Galerkin method

Jaume Peraire, Ngoc-Cuong Nguyen, Nuria Pares, Pedro Diez

arxiv:2106.10945 v1 · 2021-06-21 · math.NA · cs.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{EYZ5MBUUDIDYE47PA7PTRRGIXU}

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	2026-07-05T03:16:19.202871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2633d606941a078273ef07df38c4c8bd1b2e3387ba3072907a57ede421baa362

Aliases

arxiv: 2106.10945 · arxiv_version: 2106.10945v1 · doi: 10.48550/arxiv.2106.10945 · pith_short_12: EYZ5MBUUDIDY · pith_short_16: EYZ5MBUUDIDYE47P · pith_short_8: EYZ5MBUU

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/EYZ5MBUUDIDYE47PA7PTRRGIXU \
  | 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: 2633d606941a078273ef07df38c4c8bd1b2e3387ba3072907a57ede421baa362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f5b6ca40fcaa4f17b6f2c6cd1b43df9493cd8775bcd1181348daa9f0acdc5a0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-06-21T09:33:34Z",
    "title_canon_sha256": "df6e83bee4a173b01e899867276e5a9aa8aaa557581880377b44ac38ad22793c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10945",
    "kind": "arxiv",
    "version": 1
  }
}