Pith Number

pith:EWQPAFW3

pith:2018:EWQPAFW3FQOODAHHSOVZ3EVX7T

not attested not anchored not stored refs pending

On the explicit feedback stabilisation of 1D linear nonautonomous parabolic equations via oblique projections

Kevin Sturm, S\'ergio S. Rodrigues

arxiv:1808.01125 v1 · 2018-08-03 · 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{EWQPAFW3FQOODAHHSOVZ3EVX7T}

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	2026-05-18T00:08:58.951966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a0f016db2c1ce180e793ab9d92b7fce160a5eb3886b0c0809af60e43a84a62

Aliases

arxiv: 1808.01125 · arxiv_version: 1808.01125v1 · doi: 10.48550/arxiv.1808.01125 · pith_short_12: EWQPAFW3FQOO · pith_short_16: EWQPAFW3FQOODAHH · pith_short_8: EWQPAFW3

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/EWQPAFW3FQOODAHHSOVZ3EVX7T \
  | 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: 25a0f016db2c1ce180e793ab9d92b7fce160a5eb3886b0c0809af60e43a84a62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "679b2116771cc0abf7981adabcf720e3c582ee1e928019abd0b4888856d49981",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-08-03T09:13:19Z",
    "title_canon_sha256": "0231db0f8ffba971e3f3908af63df2c3d0e9f84cb4e9fb8c0ddadc2f5d3a4c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01125",
    "kind": "arxiv",
    "version": 1
  }
}