Pith Number

pith:XSRGGF6I

pith:2016:XSRGGF6ITMY4AWQXC3SRGMF3DL

not attested not anchored not stored refs pending

Trace Finite Element Methods for PDEs on Surfaces

Arnold Reusken, Maxim A. Olshanskii

arxiv:1612.00054 v2 · 2016-11-30 · math.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{XSRGGF6ITMY4AWQXC3SRGMF3DL}

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	2026-05-18T00:40:53.941416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca26317c89b31c05a1716e51330bb1ad89984d5bbe62742651057b7331a9273

Aliases

arxiv: 1612.00054 · arxiv_version: 1612.00054v2 · doi: 10.48550/arxiv.1612.00054 · pith_short_12: XSRGGF6ITMY4 · pith_short_16: XSRGGF6ITMY4AWQX · pith_short_8: XSRGGF6I

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/XSRGGF6ITMY4AWQXC3SRGMF3DL \
  | 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: bca26317c89b31c05a1716e51330bb1ad89984d5bbe62742651057b7331a9273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9752914ca37f77828ad560f979fa954063108d98201971ebfceba7ae076e4471",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-30T22:07:46Z",
    "title_canon_sha256": "db2118743ee8f72294811536c4e6c627bb8c0c3afc0fd598b112f473a7fc43c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00054",
    "kind": "arxiv",
    "version": 2
  }
}