Pith Number

pith:NQ2DHUFK

pith:2014:NQ2DHUFKR46ZP7DPJ6CEQF4TDZ

not attested not anchored not stored refs pending

A trace finite element method for a class of coupled bulk-interface transport problems

Arnold Reusken, Maxim A. Olshanskii, Sven Gross

arxiv:1406.7694 v3 · 2014-06-30 · 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{NQ2DHUFKR46ZP7DPJ6CEQF4TDZ}

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	2026-05-18T02:31:59.818359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c3433d0aa8f3d97fc6f4f844817931e6504186251d0e1db605ccb11b61817c9

Aliases

arxiv: 1406.7694 · arxiv_version: 1406.7694v3 · doi: 10.48550/arxiv.1406.7694 · pith_short_12: NQ2DHUFKR46Z · pith_short_16: NQ2DHUFKR46ZP7DP · pith_short_8: NQ2DHUFK

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/NQ2DHUFKR46ZP7DPJ6CEQF4TDZ \
  | 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: 6c3433d0aa8f3d97fc6f4f844817931e6504186251d0e1db605ccb11b61817c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f235e5d2afdd340d4a9afafbac36eda8ab676652e77d4f902d791359c0b1cbe4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-06-30T12:21:21Z",
    "title_canon_sha256": "b5a8e7b6db745e46814e95c1a2f4bd20e0ea3ebaa27704bb1a41ba5e71805a98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7694",
    "kind": "arxiv",
    "version": 3
  }
}