Pith Number

pith:524KZNKM

pith:2018:524KZNKMRWWUVAKWGKMCHS2A2C

not attested not anchored not stored refs pending

A finite element approach for vector- and tensor-valued surface PDEs

Axel Voigt, Ingo Nitschke, Michael Nestler

arxiv:1809.00945 v2 · 2018-09-04 · 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{524KZNKMRWWUVAKWGKMCHS2A2C}

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	2026-05-17T23:47:30.430101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeb8acb54c8dad4a8156329823cb40d0ac1d64aaa2a226e1dc5d6d6fecc5c9e4

Aliases

arxiv: 1809.00945 · arxiv_version: 1809.00945v2 · doi: 10.48550/arxiv.1809.00945 · pith_short_12: 524KZNKMRWWU · pith_short_16: 524KZNKMRWWUVAKW · pith_short_8: 524KZNKM

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/524KZNKMRWWUVAKWGKMCHS2A2C \
  | 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: eeb8acb54c8dad4a8156329823cb40d0ac1d64aaa2a226e1dc5d6d6fecc5c9e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52df14c031a204c472b03a8fdcb47cb512313975f3b4dcbf0a177f522c87dd9e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-04T13:37:31Z",
    "title_canon_sha256": "4561a19401507bea88b05cee2d7b271cc1b836c520ab43c864af046b42e69964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00945",
    "kind": "arxiv",
    "version": 2
  }
}