Pith Number

pith:V54KZ57P

pith:2022:V54KZ57P6A72DR4M6T4KTZFHKB

not attested not anchored not stored refs pending

Numerical boundary control for semilinear hyperbolic systems

Aleksey Sikstel, Felix Nagel, Giuseppe Visconti, Stephan Gerster

arxiv:2203.14747 v2 · 2022-03-28 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V54KZ57P6A72DR4M6T4KTZFHKB}

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	2026-07-05T04:47:57.649629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af78acf7eff03fa1c78cf4f8a9e4a7505d45c32989b7039f0ac4e6421f69ed17

Aliases

arxiv: 2203.14747 · arxiv_version: 2203.14747v2 · doi: 10.48550/arxiv.2203.14747 · pith_short_12: V54KZ57P6A72 · pith_short_16: V54KZ57P6A72DR4M · pith_short_8: V54KZ57P

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/V54KZ57P6A72DR4M6T4KTZFHKB \
  | 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: af78acf7eff03fa1c78cf4f8a9e4a7505d45c32989b7039f0ac4e6421f69ed17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a956acbf04a79305bb96561621b95da14fadb82a28e702b011e337834f3c382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-03-28T13:37:57Z",
    "title_canon_sha256": "5dfc3c9d9c75c8ed540b9d4149bd49247dbe0e184d9ae484b076daa50ed51e08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.14747",
    "kind": "arxiv",
    "version": 2
  }
}