Pith Number

pith:KZS7SPJH

pith:2013:KZS7SPJHOJQODBDH2QZ64TZDM6

not attested not anchored not stored refs pending

Obstacle problem for semilinear parabolic equations with measure data

Andrzej Rozkosz, Tomasz Klimsiak

arxiv:1301.5795 v2 · 2013-01-24 · math.AP · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZS7SPJHOJQODBDH2QZ64TZDM6}

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	2026-05-18T01:36:26.088439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5665f93d277260e18467d433ee4f2367b509cd7463a6c2d385cde9817a916124

Aliases

arxiv: 1301.5795 · arxiv_version: 1301.5795v2 · doi: 10.48550/arxiv.1301.5795 · pith_short_12: KZS7SPJHOJQO · pith_short_16: KZS7SPJHOJQODBDH · pith_short_8: KZS7SPJH

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/KZS7SPJHOJQODBDH2QZ64TZDM6 \
  | 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: 5665f93d277260e18467d433ee4f2367b509cd7463a6c2d385cde9817a916124

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9537e223343a9837c53128017fc66e4df4184c72e66391f9b3dd24607ca312ff",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-01-24T14:37:22Z",
    "title_canon_sha256": "09c37977bebc1f7f99221ef1de11c7f9913b8c2ef127d5627c5809ca116bead9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5795",
    "kind": "arxiv",
    "version": 2
  }
}