Pith Number

pith:TDPIAZ4W

pith:2014:TDPIAZ4WSS6TMVKLVXV6UWD567

not attested not anchored not stored refs pending

$C_0$-semigroups for hyperbolic partial differential equations on a one-dimensional spatial domain

Birgit Jacob, Hans Zwart, Kirsten Morris

arxiv:1409.6524 v1 · 2014-09-23 · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDPIAZ4WSS6TMVKLVXV6UWD567}

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	2026-05-18T02:42:07.007108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98de80679694bd36554badebea587df7e114f4edee03a36bcea022516a490429

Aliases

arxiv: 1409.6524 · arxiv_version: 1409.6524v1 · doi: 10.48550/arxiv.1409.6524 · pith_short_12: TDPIAZ4WSS6T · pith_short_16: TDPIAZ4WSS6TMVKL · pith_short_8: TDPIAZ4W

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/TDPIAZ4WSS6TMVKLVXV6UWD567 \
  | 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: 98de80679694bd36554badebea587df7e114f4edee03a36bcea022516a490429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36af96ac3ea6685d5f92c86356d74b0a85f6d996070408f9926dc56afd9933ff",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-09-23T13:07:34Z",
    "title_canon_sha256": "5a1c0d3618f5af273691eb299afcd55bcf4c88fad46b39e80865e4a7e0293a6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6524",
    "kind": "arxiv",
    "version": 1
  }
}