Pith Number

pith:7NVJFMUX

pith:2004:7NVJFMUXKES7WJHLTX2EZU7QMR

not attested not anchored not stored refs pending

Interior numerical approximation of boundary value problems with a distributional data

Ivo Babuska, Victor Nistor

arxiv:math/0410184 v1 · 2004-10-06 · math.NA · cs.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NVJFMUXKES7WJHLTX2EZU7QMR}

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	2026-06-03T22:06:15.818549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb6a92b2975125fb24eb9df44cd3f06472e9bdeebb42db692ead915a95111185

Aliases

arxiv: math/0410184 · arxiv_version: math/0410184v1 · doi: 10.48550/arxiv.math/0410184 · pith_short_12: 7NVJFMUXKES7 · pith_short_16: 7NVJFMUXKES7WJHL · pith_short_8: 7NVJFMUX

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/7NVJFMUXKES7WJHLTX2EZU7QMR \
  | 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: fb6a92b2975125fb24eb9df44cd3f06472e9bdeebb42db692ead915a95111185

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86eedfef14935fa5bec42b5c3acd05cba036f2950acd692b99982a33c9c4984f",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2004-10-06T20:29:45Z",
    "title_canon_sha256": "dba2fd41067cce29f18b59cc10745de891f40f200351957888aae27474ce2a7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0410184",
    "kind": "arxiv",
    "version": 1
  }
}