Pith Number

pith:O5HGHASA

pith:2015:O5HGHASADVUIC4J3ZXVREIGFWF

not attested not anchored not stored refs pending

Convex integration and infinitely many weak solutions to the Perona-Malik equation in all dimensions

Baisheng Yan, Seonghak Kim

arxiv:1503.00772 v1 · 2015-03-02 · 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{O5HGHASADVUIC4J3ZXVREIGFWF}

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	2026-05-18T02:25:48.451943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

774e6382401d6881713bcdeb1220c5b1519075573c80084a1c86b047eb701619

Aliases

arxiv: 1503.00772 · arxiv_version: 1503.00772v1 · doi: 10.48550/arxiv.1503.00772 · pith_short_12: O5HGHASADVUI · pith_short_16: O5HGHASADVUIC4J3 · pith_short_8: O5HGHASA

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/O5HGHASADVUIC4J3ZXVREIGFWF \
  | 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: 774e6382401d6881713bcdeb1220c5b1519075573c80084a1c86b047eb701619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43a9add778cac4b0eafad99d55b17b7e5d6c71fd54d4453cace7fb531b0629ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-02T22:37:16Z",
    "title_canon_sha256": "cc451ee92ffd7e57688f41e5291110e1980485f665f4e8af971bc258aacc603c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00772",
    "kind": "arxiv",
    "version": 1
  }
}