Pith Number

pith:WKBDZX7K

pith:2018:WKBDZX7KSFFLNP6XODKBO3WZZT

not attested not anchored not stored refs pending

Perturbed Obstacle Problems in Lipschitz Domains: Linear Stability and Non-degeneracy in Measure

Ivan Blank, Jeremy LeCrone

arxiv:1808.05257 v1 · 2018-08-15 · 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{WKBDZX7KSFFLNP6XODKBO3WZZT}

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	2026-05-18T00:07:57.759687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2823cdfea914ab6bfd770d4176ed9ccdc92665a9a96b947ea09c8fa6b20d655

Aliases

arxiv: 1808.05257 · arxiv_version: 1808.05257v1 · doi: 10.48550/arxiv.1808.05257 · pith_short_12: WKBDZX7KSFFL · pith_short_16: WKBDZX7KSFFLNP6X · pith_short_8: WKBDZX7K

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/WKBDZX7KSFFLNP6XODKBO3WZZT \
  | 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: b2823cdfea914ab6bfd770d4176ed9ccdc92665a9a96b947ea09c8fa6b20d655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f133756dc46a7deda60545aee6dfc3e67c378165e05afbc91d03e902a07addf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-08-15T19:05:19Z",
    "title_canon_sha256": "026d233a36db4e185e672fe7584b064a59f83b7ba681e500dbd97019f753015b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05257",
    "kind": "arxiv",
    "version": 1
  }
}