Pith Number

pith:OATJAAQV

pith:2014:OATJAAQVJDY7NZD2P2FHLIBATM

not attested not anchored not stored refs pending

Error estimates for stabilized finite element methods applied to ill-posed problems

Erik Burman

arxiv:1406.4371 v1 · 2014-06-17 · 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{OATJAAQVJDY7NZD2P2FHLIBATM}

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	2026-05-18T02:49:37.713185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

702690021548f1f6e47a7e8a75a0209b13cf31e901bca34d24f631f2f98ff14c

Aliases

arxiv: 1406.4371 · arxiv_version: 1406.4371v1 · doi: 10.48550/arxiv.1406.4371 · pith_short_12: OATJAAQVJDY7 · pith_short_16: OATJAAQVJDY7NZD2 · pith_short_8: OATJAAQV

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/OATJAAQVJDY7NZD2P2FHLIBATM \
  | 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: 702690021548f1f6e47a7e8a75a0209b13cf31e901bca34d24f631f2f98ff14c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ffd6b7634530157ff3ed9a03aa79d4225206e25bd60c77dec0a5332fe4943d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-06-17T14:09:26Z",
    "title_canon_sha256": "edd63be59259e6601bbec1b5e5002343472ff17b6c84f4a2a245e1bc93e88808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4371",
    "kind": "arxiv",
    "version": 1
  }
}