Pith Number

pith:UYTPSQVQ

pith:2012:UYTPSQVQUWBRJEQO7KJIFIXCAP

not attested not anchored not stored refs pending

Discontinuous gradient constraints and the infinity Laplacian

Julio D. Rossi, Mikko Parviainen, Petri Juutinen

arxiv:1201.5199 v1 · 2012-01-25 · 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{UYTPSQVQUWBRJEQO7KJIFIXCAP}

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	2026-05-18T04:03:55.353200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a626f942b0a58314920efa9282a2e203f8af1638237c67f6d8ad549093f47253

Aliases

arxiv: 1201.5199 · arxiv_version: 1201.5199v1 · doi: 10.48550/arxiv.1201.5199 · pith_short_12: UYTPSQVQUWBR · pith_short_16: UYTPSQVQUWBRJEQO · pith_short_8: UYTPSQVQ

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/UYTPSQVQUWBRJEQO7KJIFIXCAP \
  | 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: a626f942b0a58314920efa9282a2e203f8af1638237c67f6d8ad549093f47253

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09b7c76ccbd363b99a62d595350c1deefcd83983b5ddc55b6ea5475e4fce3cfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-01-25T07:54:35Z",
    "title_canon_sha256": "7e26b6794610ac2791377caa1c37ac843b62dee866e8e3c6f91d4dc6f46d71c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5199",
    "kind": "arxiv",
    "version": 1
  }
}