Pith Number

pith:VX6RHAL2

pith:2015:VX6RHAL2FRD5GLHIC225ZQBYVX

not attested not anchored not stored refs pending

Sensitivity analysis for active control of the Helmholtz equation

Daniel Onofrei, Mark Hubenthal

arxiv:1504.04900 v1 · 2015-04-19 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VX6RHAL2FRD5GLHIC225ZQBYVX}

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	2026-05-18T01:10:23.814339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adfd13817a2c47d32ce816b5dcc038adf9c637e2e16a4bedf8462892a9cb29d5

Aliases

arxiv: 1504.04900 · arxiv_version: 1504.04900v1 · doi: 10.48550/arxiv.1504.04900 · pith_short_12: VX6RHAL2FRD5 · pith_short_16: VX6RHAL2FRD5GLHI · pith_short_8: VX6RHAL2

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/VX6RHAL2FRD5GLHIC225ZQBYVX \
  | 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: adfd13817a2c47d32ce816b5dcc038adf9c637e2e16a4bedf8462892a9cb29d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2661bb59167923c283f57b47d9b7335ce3569084b02eaa485700e46e80ff618",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-04-19T23:50:49Z",
    "title_canon_sha256": "101e1a4647dbca8b87e00a3744b9d1d14be2933c24276db5bca1926c757ba52a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04900",
    "kind": "arxiv",
    "version": 1
  }
}