Pith Number

pith:W5UGGJU2

pith:2014:W5UGGJU2GAHMWW3EIJECDOYHAY

not attested not anchored not stored refs pending

Second variation of domain functionals and applications to problems with Robin boundary conditions

Alfred Wagner, Catherine Bandle

arxiv:1403.2220 v2 · 2014-03-10 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5UGGJU2GAHMWW3EIJECDOYHAY}

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	2026-05-18T01:37:05.864296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b76863269a300ecb5b64424821bb07060633f09c9ced6106ddcb343ac8e8464f

Aliases

arxiv: 1403.2220 · arxiv_version: 1403.2220v2 · doi: 10.48550/arxiv.1403.2220 · pith_short_12: W5UGGJU2GAHM · pith_short_16: W5UGGJU2GAHMWW3E · pith_short_8: W5UGGJU2

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/W5UGGJU2GAHMWW3EIJECDOYHAY \
  | 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: b76863269a300ecb5b64424821bb07060633f09c9ced6106ddcb343ac8e8464f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53f080a123eb299b6a53084ac730272ecea7d0521c15aede8fba73a169b39231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-03-10T11:48:39Z",
    "title_canon_sha256": "46e381b22c9a5c639444d5ca24312659a6cb17e6bfb13c2b455b37a4827fbfd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2220",
    "kind": "arxiv",
    "version": 2
  }
}