Pith Number

pith:LJL76KI3

pith:2018:LJL76KI3YGE46BBMMFRSMQAWAR

not attested not anchored not stored refs pending

Variable Support Control for the Wave Equation: A Multiplier Approach

Antonio Agresti, Daniele Andreucci, Paola Loreti

arxiv:1805.02743 v1 · 2018-05-07 · 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{LJL76KI3YGE46BBMMFRSMQAWAR}

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	2026-05-18T00:16:35.825556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a57ff291bc189cf042c61632640160474b5aee98d6004f485e9f85dd810216c

Aliases

arxiv: 1805.02743 · arxiv_version: 1805.02743v1 · doi: 10.48550/arxiv.1805.02743 · pith_short_12: LJL76KI3YGE4 · pith_short_16: LJL76KI3YGE46BBM · pith_short_8: LJL76KI3

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/LJL76KI3YGE46BBMMFRSMQAWAR \
  | 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: 5a57ff291bc189cf042c61632640160474b5aee98d6004f485e9f85dd810216c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6462f50a91ca7790adedbd90a722f7d3f0f338eea5aa640d2d3e1fbd0f418579",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-05-07T21:03:51Z",
    "title_canon_sha256": "25d9a56961b26a7e239e97d8f1e9c2e5f68fe8d91722fe4ba3b2e75ad077103a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02743",
    "kind": "arxiv",
    "version": 1
  }
}