Pith Number

pith:JIRRDGO3

pith:2016:JIRRDGO3FWMFCWJSGGVUHHRSJ5

not attested not anchored not stored refs pending

Variational discretization of parabolic control problems on evolving surfaces with pointwise state constraints

Heiko Kr\"oner, Michael Hinze

arxiv:1604.07658 v1 · 2016-04-26 · 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{JIRRDGO3FWMFCWJSGGVUHHRSJ5}

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	2026-05-18T01:16:12.392277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a231199db2d9851593231ab439e324f4066254114f994f34c86e9baf151630c

Aliases

arxiv: 1604.07658 · arxiv_version: 1604.07658v1 · doi: 10.48550/arxiv.1604.07658 · pith_short_12: JIRRDGO3FWMF · pith_short_16: JIRRDGO3FWMFCWJS · pith_short_8: JIRRDGO3

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/JIRRDGO3FWMFCWJSGGVUHHRSJ5 \
  | 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: 4a231199db2d9851593231ab439e324f4066254114f994f34c86e9baf151630c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c1edc46639235843be570334a27496137051f7fc9d923bf1d4fff0cabf8f2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-04-26T12:49:02Z",
    "title_canon_sha256": "0e5fadaac8c3f8d7a497a502958f87ad908237015246ea9b76b5576e42b4f326"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07658",
    "kind": "arxiv",
    "version": 1
  }
}