Pith Number

pith:5HKPTK5T

pith:2014:5HKPTK5TUHSJYJVWSGVVD3RY7N

not attested not anchored not stored refs pending

Robust error bounds for finite element approximation of reaction-diffusion problems with non-constant reaction coefficient in arbitrary space dimension

Mark Ainsworth, Tom\'a\v{s} Vejchodsk\'y

arxiv:1401.2394 v2 · 2014-01-10 · 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{5HKPTK5TUHSJYJVWSGVVD3RY7N}

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	2026-05-18T01:37:23.559052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9d4f9abb3a1e49c26b691ab51ee38fb7c7b046f3e422f4367f6d753a6cfe849

Aliases

arxiv: 1401.2394 · arxiv_version: 1401.2394v2 · doi: 10.48550/arxiv.1401.2394 · pith_short_12: 5HKPTK5TUHSJ · pith_short_16: 5HKPTK5TUHSJYJVW · pith_short_8: 5HKPTK5T

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/5HKPTK5TUHSJYJVWSGVVD3RY7N \
  | 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: e9d4f9abb3a1e49c26b691ab51ee38fb7c7b046f3e422f4367f6d753a6cfe849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d609e1a64df5616ad1c523fadd0190b77e016e8f3ef9d2a925ba82207be41977",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-10T16:32:02Z",
    "title_canon_sha256": "1765892152d434a17d5b977b726840ec4fdf1587c08433133121b336b48f5e2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2394",
    "kind": "arxiv",
    "version": 2
  }
}