Pith Number

pith:K4T3ZFCL

pith:2018:K4T3ZFCLVHGEY5JRRANWJ373OS

not attested not anchored not stored refs pending

A range condition for polyconvex variational regularization

Clemens Kirisits, Otmar Scherzer

arxiv:1802.05449 v1 · 2018-02-15 · 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{K4T3ZFCLVHGEY5JRRANWJ373OS}

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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	2026-05-18T00:23:15.645233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5727bc944ba9cc4c7531881b64effb74a62a7851213c2435769ae3d0e4d6e6a2

Aliases

arxiv: 1802.05449 · arxiv_version: 1802.05449v1 · doi: 10.48550/arxiv.1802.05449 · pith_short_12: K4T3ZFCLVHGE · pith_short_16: K4T3ZFCLVHGEY5JR · pith_short_8: K4T3ZFCL

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/K4T3ZFCLVHGEY5JRRANWJ373OS \
  | 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: 5727bc944ba9cc4c7531881b64effb74a62a7851213c2435769ae3d0e4d6e6a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1568b6ec3122d3140eda8969ca4ff8601b5d9300a5013d328397b4f8ac704eaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-15T09:47:30Z",
    "title_canon_sha256": "6e3ca439ff6fbf799d9f2f05ca4b1889eb0172386adaee21a903dc3cc6eba38a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05449",
    "kind": "arxiv",
    "version": 1
  }
}