Pith Number

pith:ZYVRACCA

pith:2016:ZYVRACCAT655ODEVIEKYG2MH7T

not attested not anchored not stored refs pending

Parameter identification in a semilinear hyperbolic system

Herbert Egger, Nikolai Strogies, Thomas Kugler

arxiv:1606.03580 v1 · 2016-06-11 · 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{ZYVRACCAT655ODEVIEKYG2MH7T}

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	2026-05-18T00:45:49.267085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce2b1008409fbbd70c954115836987fce5d2fd08e97834c51992fecb7ae00d5a

Aliases

arxiv: 1606.03580 · arxiv_version: 1606.03580v1 · doi: 10.48550/arxiv.1606.03580 · pith_short_12: ZYVRACCAT655 · pith_short_16: ZYVRACCAT655ODEV · pith_short_8: ZYVRACCA

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/ZYVRACCAT655ODEVIEKYG2MH7T \
  | 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: ce2b1008409fbbd70c954115836987fce5d2fd08e97834c51992fecb7ae00d5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b1b0917e2a7bf34d6ef5ee0d7ee42828cf8d0bca7beb21c926f54ef190399d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-11T11:34:05Z",
    "title_canon_sha256": "ea22a81d6588be06621797d2a10861e8fc534a73bd3fcbfde8ad6db3d12d7d37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.03580",
    "kind": "arxiv",
    "version": 1
  }
}